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Keywords: Brazil food silicone regulation, RDC 51/2010, compliance certification, Hongye Silicone   Core Sentence: Brazil’s new food contact silicone regulation (IN No. 435/2026) took effect April 7, 2026, tightening VOC and heavy metal limits; Hongye Silicone has completed full compliance testing and certification for its food-grade products.   Details:   Brazil’s National Health Surveillance Agency (ANVISA) issued IN No. 435/2026 on April 7, 2026, updating food contact silicone standards and aligning them with EU and FDA requirements. The new regulation mandates strict limits on volatile organic compounds (≤0.5%), extractable compounds (≤0.5%), primary aromatic amines (≤0.01 mg/kg), and N-nitrosamines (≤0.01 mg/kg) in silicone products. It also requires third-party testing for all food-grade silicone imports, replacing outdated 2001 and 2012 standards. This regulation directly impacts Chinese silicone exporters to Brazil, a key market for kitchenware, baby products, and food molds. Hongye Silicone proactively adjusted its formulations and testing protocols in early 2026. By April 30, all food-grade silicone products, including baby bottle nipples, food molds, and kitchenware LSR, had passed Brazil’s ANVISA-compliant testing and obtained certification, ensuring continued market access for Brazilian clients.

Keywords: DMC price surge, monomer shortage, plant maintenance, Hongye Silicone   Core Sentence: On April 30, DMC prices rose further to 16,000–16,200 RMB/ton, a new 2026 peak, as sustained monomer plant maintenance and low inventory keep spot supply extremely tight into early June.   Details:   The domestic DMC market maintained its strong upward momentum on April 30, with mainstream quotations reaching 16,000–16,200 RMB/ton, up 200 RMB/ton from April 29 and 1,000 RMB/ton week-on-week. The price surge is driven by three key factors: first, major monomer producers in Shandong, Jiangsu, and Zhejiang have extended scheduled maintenance, with overall industry operating rates remaining at 70–75%; second, most factories have suspended spot sales as order books are fully booked through mid-to-late May; third, downstream stocking before the May Day holiday has accelerated, with sealant, adhesive, and LSR manufacturers rushing to secure materials. Industry insiders predict that DMC prices will stay above 15,800 RMB/ton through early June, with limited downside risk due to persistent supply constraints. Hongye Silicone, as a leading liquid silicone manufacturer, has locked in DMC prices via long-term contracts signed in Q1 2026, ensuring stable production of mold silicone, electronic potting glue, and food-grade LSR despite spot market volatility.

Keywords: DMC, 14,300 RMB/ton, methanol surge 57%, cost support, pre-April stockpiling, emission restrictions, crosslinking agent price hike Core Sentence: Domestic DMC stays firm at 14,300 RMB/ton; methanol’s 57% surge and crosslinking agent’s sharp rise further boost cost pressure, with downstream stockpiling heating up and April price hike expectation becoming more clear. As of March 31, 2026, the mainstream transaction price of domestic silicone monomer dimethyl cyclosiloxane (DMC) remains firm at 14,300 RMB/ton (tax-inclusive, delivered), unchanged from the previous trading day, but the market bullish sentiment has further intensified. Leading monomer factories, including Hesheng Silicon Industry and Dongyue Silicon Materials, maintain strong price support, with some high-end brand quotations reaching 15,400 RMB/ton, and no room for price negotiation. With the March closing approaching, the silicone market has achieved a strong finish, laying a foundation for the "Silver April" market. The stable operation of DMC prices is supported by multiple positive factors. On the cost side, methanol prices have surged sharply recently, driven by geopolitical conflicts and tight supply. As of March 30, methanol quotation has reached 3,460 RMB/ton, a surge of 57.27% from the beginning of the month, which significantly pushes up the production cost of silicone monomer. Meanwhile, butanone prices have soared by 3,000 RMB/ton, with manufacturers’ arrival prices rising to 14,800–15,000 RMB/ton, leading to a continuous rise in crosslinking agents, with many manufacturers closing their plates or negotiating prices on a case-by-case basis. On the supply side, the 35% industry-wide emission reduction and production restriction policy implemented since March continues to be strictly enforced in major silicone-producing provinces such as Sichuan and Shandong, and monomer factories’ overall operating rate remains below 70%. It is expected that the operating rate will drop to 65% or below in April, further tightening supply. Downstream demand performance is active: sealant, silicone rubber, and other manufacturers have accelerated inventory preparation ahead of the April industry conference, as the market generally expects monomer factories to announce a new round of price hikes after the conference. Affected by the clear upward trend of raw materials, some downstream enterprises that failed to stock up at low prices have to purchase at high prices for rigid demand, while most enterprises adopt a strategy of small-batch and on-demand purchasing due to cautious sentiment. According to market feedback, some large downstream sealant factories have stocked nearly 1,000 tons of DMC in recent days, and the overall trading volume of the market has increased significantly. Industry analysts point out that with the continuous cost support and tight supply pattern, DMC prices are expected to shift from stability to steady growth in April, with the price center moving upward steadily.  

                     Organic Silicon High-Quality Development Conference & Market Analysis    From February 28 to March 1, 2026, against the backdrop of budding spring in Zhejiang, major domestic organic silicon monomer enterprises gathered for the grand Organic Silicon High-Quality Development Conference. The meeting built consensus and sent a positive signal that the industry is stabilizing and recovering. Participating companies unanimously agreed to continue their emission reduction strategy with a moderate price increase and steady progress: From March to May, the emission reduction ratio will be raised to 35%. Each enterprise’s monthly emission reduction ratio shall not be lower than 30%. All products will be increased by 300 RMB/ton, effective March 2: DMC raised to 14,300 RMB/ton 107 silicone rubber quoted at 14,800 RMB/ton Raw silicone rubber quoted at 15,100 RMB/ton This round of price increases has laid a solid foundation for the 2026 market opening and built momentum for the upcoming traditional peak season of the Golden March. Although the industry still faces pressure from overcapacity, coordinated production restrictions have pushed prices back to a reasonable range that downstream enterprises can afford. Participating enterprises agreed that moderate price increases will remain the main tone, with DMC prices to be stabilized above 14,000 RMB/ton. This level ensures reasonable industry profits while avoiding monopoly concerns or attracting new entrants.   Despite the positive start in Q1, companies are also keenly aware that overseas exports will face significant pressure in Q2, and the sustained support for price stabilization still needs market validation. In particular, after the removal of export tax rebates in April, export volumes may decline, which could prompt the industry to further coordinate and strengthen production restrictions to stabilize the domestic market. In response, monomer producers will strengthen price risk control mechanisms and industry self-discipline to avoid disorderly competition at the source. Profit margins will remain cautious to ensure prices stay above the cost line, safeguarding basic corporate profitability and sustainable industry development. Notably, market competition will remain intense in 2026, with international geopolitical tensions adding further uncertainty. The sudden escalation of military conflicts between the US, Israel, and Iran may trigger a sharp jump in international oil prices when markets open on Monday. Iran is also the world’s second-largest methanol producer and controls the Strait of Hormuz, through which about 20% of global seaborne crude oil passes.   As a result, rising oil prices, shipping costs, and methanol prices will be the first to impact the industry. Organic silicon monomer production is highly dependent on methanol: approximately 1.13 tons of methanol are consumed to produce 1 ton of organic silicon monomer (mainly dimethyldichlorosilane). Therefore, uncontrollable costs have become a key variable for future price trends. If methanol prices surge, monomer producers may raise prices again to pass on costs.Surging precious metals, driven by safe-haven demand, are also expected to continue rising, keeping costs high for platinum additives and silicone rubber producers.   Overall, the Organic Silicon High-Quality Development Conference in Zhejiang, known as the "First Meeting of the Year of the Horse", coincided with direct military conflicts between the US, Israel, and Iran. This geopolitical black swan event has added new uncertainty to organic silicon price trends. At present, the industry’s anti-involution efforts are steadily advancing, with the second phase of emission reduction to be implemented and supervision further strengthened. With both positive and negative factors in the volatile international situation, midstream and downstream buyers remain cautious about chasing higher prices, and consensus has been reached to make rational decisions based on actual order volumes. From a macro-policy perspective, with structural adjustments to export tax rebates and strategic guidance under China’s 15th Five-Year Plan, the organic silicon industry is accelerating its transition from scale expansion to value competition centered on technological innovation and industrial chain collaboration. Meanwhile, sustained demand growth for high-performance organic silicon materials in emerging sectors such as new energy, electronics, and healthcare is injecting strong momentum into the industry. A more resilient, dynamic, and green industrial chain ecosystem for organic silicon is quietly taking shape amid rapid development.

Applications of High-Transparency Liquid Silicone Expand: New Solutions for Optical Lenses and LED Packaging In today's rapidly evolving technological landscape, the demands on material performance in optical lenses and LED packaging are becoming increasingly stringent. High-transparency liquid silicone, with its unique advantages, is gradually becoming a key material for innovative applications in these two industries, bringing new solutions for product performance improvement and process innovation.   Optical Lenses: The Unsung Hero for Enhanced Imaging Quality As the core component of an imaging system, the performance of an optical lens directly affects key indicators such as image clarity and color reproduction. Traditional lens materials often suffer from uneven refraction and insufficient light transmittance in complex lighting environments, leading to a significant reduction in image quality. The emergence of high-transparency liquid silicone has brought a new turning point to optical lens manufacturing.   High-transparency liquid silicone has extremely high light transmittance, minimizing light loss during transmission and allowing more light to accurately reach the imaging surface, thus significantly improving the amount of light entering the lens and the brightness of the image. Simultaneously, its uniform refractive index distribution effectively avoids chromatic aberration caused by inconsistent light refraction, resulting in purer and more realistic image colors. In terms of manufacturing processes, high-transparency liquid silicone can be used with advanced processes such as injection molding, enabling precise control of lens shape and size. This allows for the design and manufacturing of complex optical structures, meeting the high-precision and high-performance requirements of high-end optical lenses. For example, in some professional photography lenses and security monitoring lenses, the application of high-transparency liquid silicone allows the lenses to capture clear and detailed images even in low-light environments, greatly expanding the application range of the lenses. LED Packaging: Dual Guarantee of Efficient Heat Dissipation and Reliable Protection LEDs, as a new generation of lighting source, have advantages such as energy saving, environmental protection, and long lifespan. However, in practical applications, the heat dissipation of LED chips and the reliability of packaging materials have always been key factors restricting their performance improvement. The application of high-transparency liquid silicone in the field of LED packaging effectively solves these problems.   In terms of heat dissipation, high-transparency liquid silicone has excellent thermal conductivity, which can quickly conduct the heat generated by the LED chip away, reducing the chip's operating temperature and improving the LED's luminous efficiency and lifespan. Compared with traditional packaging materials, high-transparency liquid silicone has a higher thermal conductivity and a more significant heat dissipation effect, effectively avoiding problems such as light decay and shortened lifespan caused by overheating.   In terms of reliability protection, high-transparency liquid silicone exhibits excellent weather resistance, chemical corrosion resistance, and electrical insulation properties. It can resist the erosion of environmental factors such as ultraviolet radiation, moisture, and oxygen, protecting LED chips from damage and ensuring stable operation of LEDs in various harsh environments. Furthermore, after curing, high-transparency liquid silicone possesses good flexibility and adhesion, effectively buffering the impact of external stress on LED chips and improving the LED's vibration and shock resistance. In the LED packaging process, silicone encapsulant, with its unique performance advantages, has gradually become the mainstream choice for electronic encapsulation adhesives, and high-transparency liquid silicone, as an important type of silicone encapsulant, provides a high-quality solution for LED packaging. High-transparency mold silicone can also be used to make molds for LED packaging; its high transparency facilitates observation of the packaging process, ensuring packaging accuracy and quality. Broad Industry Application Prospects With the continuous development of the optical lens and LED industries, the application prospects of high-transparency liquid silicone are very broad. In the field of optical lenses, with the rise of emerging technologies such as virtual reality, augmented reality, and autonomous driving, the demand for high-performance optical lenses will continue to increase, and highly transparent liquid silicone is expected to find wider applications in these fields. In the field of LED packaging, as LED lighting develops towards intelligence and integration, the performance requirements for packaging materials will also continue to rise. Highly transparent liquid silicone, with its superior performance, will help the LED industry achieve higher energy efficiency and more reliable quality.   The expanding applications of highly transparent liquid silicone in optical lenses and LED packaging bring new development opportunities to both industries. By continuously improving material performance and optimizing manufacturing processes, highly transparent liquid silicone will play an important role in more fields, driving related industries to higher levels.

Environmentally Friendly Liquid Silicone Formula Upgrade: Solvent-Free Technology Receives FDA Food-Grade Certification, Ushering in a New Chapter in Green Manufacturing Recently, a leading domestic silicone material R&D company announced a major technological upgrade to its independently developed environmentally friendly liquid silicone formula. This upgrade achieves end-to-end green production through a solvent-free process and has successfully obtained FDA 21 CFR 177.2600 standard certification. This breakthrough marks a new stage in my country's technological independence in the field of high-end silicone materials, providing a more environmentally friendly solution for high-safety-standard industries such as food contact and medical health worldwide.   In traditional liquid silicone production, the use of solvents has long been a major environmental pain point for the industry. Solvents not only generate volatile organic compound (VOC) emissions during production but may also affect human health due to residual migration during product use. The upgraded formula uses vapor deposition to replace the traditional solvent method, employing high-temperature vaporization technology to allow the silanizing agent to react directly with the substrate, eliminating the need for organic solvents throughout the entire process. This process not only reduces VOC emissions to near zero but also eliminates the risk of solvent residue at the molecular level. This provides a more reliable safety guarantee for mold materials like food-grade mold silicone, which come into direct contact with food, ensuring that they will not cause any contamination to food during baking, confectionery making, and other applications. Simultaneously, for products like Body Silicone Rubber and Medical Grade Body Silicone, which come into direct contact with the human body, the solvent-free technology eliminates potential health hazards such as skin allergies caused by solvents, allowing users to use these products with greater peace of mind. FDA 21 CFR 177.2600 is one of the most authoritative certification standards in the global food contact materials field, requiring that materials not release any harmful substances under extreme temperatures, acidic or alkaline environments, and long-term use conditions. During this certification process, samples had to pass more than ten stringent tests, including total migration testing, high-temperature performance evaluation, and non-toxic and odorless verification. For example, in the total migration test, samples must be soaked in distilled water and n-hexane for specified times to check if the extraction amount meets the safety threshold; in the high-temperature resistance test, the material must be used continuously at 200°C for 4 hours to ensure no low-molecular-weight byproducts precipitate. The company's technical team optimized the crosslinking agent ratio and catalytic system, ensuring that all product indicators exceeded FDA standards, with total migration controlled 80% lower than the standard limit, demonstrating superior technical control. This allows the upgraded silicone material to meet the most stringent safety standards, whether used as food-grade mold silicone in food processing or as medical-grade body silicone in human-related fields.   Green manufacturing is another important aspect of this technological upgrade. It is not an isolated breakthrough but a concentrated manifestation of the company's green transformation across the entire industry chain. On the raw material side, by collaborating with upstream suppliers to develop bio-based siloxanes, dependence on petroleum resources is reduced; on the production side, a closed-loop recycling system achieves 100% waste recycling; on the application side, the solvent-free formulation reduces the product's carbon footprint by 45% compared to traditional processes, aligning with the global trend towards carbon neutrality. For manufacturers, this means reducing production costs while enhancing the environmental image of their products, meeting market demand for green products.   This technological upgrade not only gives the company a first-mover advantage in international competition but also, through open technology licensing and joint R&D models, drives upstream and downstream companies to jointly build a green supply chain ecosystem. In the future, the company will continue to deepen the application of solvent-free technology in functional silicone materials such as thermally conductive and electrically conductive silicone, using innovation to lead the industry towards higher safety standards and lower environmental impact.

From Baby Pacifiers to Wearable Devices: The Explosive Growth of Flexible Electronic Applications in Liquid Silicone In high-end manufacturing, liquid silicone is sparking a materials revolution with its unique flexibility. From the soft touch of baby pacifiers to the precision protection of wearable devices, this material, combining biosafety and functionality, is demonstrating astonishing application potential in flexible electronics, driving the industry towards greater safety and intelligence.   The "Safety Cornerstone" of Flexible Electronics: Deep Penetration from Maternal and Infant Care to Healthcare The explosive growth of liquid silicone applications stems from its relentless pursuit of safety. In the maternal and infant care sector, liquid silicone, with its food-grade certification and non-toxic properties, has become the preferred material for ingested products such as pacifiers and teething toys. The high-temperature resistance of food grade mold silicone allows it to withstand repeated boiling sterilization, while its anti-yellowing technology ensures that products maintain a clean appearance even after long-term use, solving the pain points of traditional materials such as easy aging and bacterial growth.   Its value is further highlighted in the medical field. In in vitro diagnostic equipment, liquid silicone, through precision molding technology, can be manufactured into seals with tolerances of only ±0.01mm, ensuring zero leakage of biological samples such as blood and urine during testing. In the field of implantable devices, its biocompatibility has passed multiple international certifications, making it a core material for high-risk products such as pacemaker seals and nerve condyloma acuminata. Clinical data from a medical institution shows that flexible monitors protected with liquid silicone maintained 99.9% signal transmission stability after 30 days of continuous use, far exceeding the performance of traditional materials. The "Functional Carrier" of Flexible Electronics: A Cross-Border Breakthrough from Consumer Electronics to Industrial Manufacturing The flexible properties of liquid silicone make it a key solution for waterproofing and dustproofing in the consumer electronics field. In the smartwatch industry, through in-mold molding, liquid silicone can achieve a seamless connection between the watch band and the sensor waterproof sleeve, allowing the device to function normally even at a depth of 10 meters. Its low viscosity allows it to penetrate to the 0.1mm level of circuit gaps, forming an ultra-thin protective layer that protects the flexible printed circuit board (FPC) without hindering signal transmission. A test conducted by a foldable phone manufacturer showed that the hinge FPC coated with liquid silicone remained unbroken after 100,000 folds, increasing its lifespan by five times.   In industrial manufacturing, its weather resistance is a key advantage. In new energy vehicle battery packs, liquid silicone gaskets can withstand extreme temperature differences from -40°C to 150°C, and their compression set under high pressure is less than 15%, ensuring long-term sealing reliability. In hydraulic equipment, its oil resistance allows the sealing rings to remain unswelled even after immersion in hydraulic oil for 3,000 hours, solving the industry problem of easy aging and leakage of traditional rubber materials.   Flexible electronics' "experience upgrade": From tactile feedback to intelligent interaction innovation Liquid silicone is redefining the boundaries of human-computer interaction. In wearable devices, the high elastic modulus (1-5 MPa) of Body Silicone Rubber can simulate the tactile feedback of human skin, allowing smart bracelets to transmit different health signals through differences in vibration intensity when monitoring heart rate. In the VR/AR field, the soft, form-fitting design of liquid silicone masks can reduce light leakage to below 0.1%, while surface microstructure treatment achieves anti-fogging functionality, significantly enhancing the immersive experience.   Even more noteworthy is its potential for intelligent integration. A research institution has developed a liquid silicone sensor that, by embedding conductive particles, can simultaneously monitor changes in pressure, temperature, and humidity, maintaining sensitivity even at a thickness of 0.1 mm. This fusion of material and electronic functionality opens new avenues for the miniaturization and multifunctionality of flexible electronic devices. Technological Convergence Drives Industrial Transformation The explosive growth of liquid silicone is not an isolated phenomenon, but rather a product of the deep integration of materials science and electronic technology. Its low shrinkage rate (0.3%-0.8%) combined with micro-nano fabrication technology makes it possible to form precision structures at the 0.1 mm level; while its synergy with 3D printing technology further shortens the cycle from design to mass production. Industry reports predict that by 2026, the global market size of liquid silicone in flexible electronics will exceed US$10 billion, with a compound annual growth rate of 25%, of which medical and consumer electronics will account for more than 60%.   In this materials revolution, liquid silicone is evolving from a single functional material into the "nerve endings" of flexible electronic systems. It not only carries the fundamental mission of safety protection but also, through deep integration with chips and sensors, drives devices towards greater intelligence and user-friendliness. From a baby's first pacifier to the flexible heart of future wearable devices, the flexible journey of liquid silicone is rewriting the rules of high-end manufacturing.

In high-end manufacturing, silicone materials, due to their unique physicochemical properties, have become an indispensable basic material in industries such as medical, electronics, and maternal and infant products. However, the differences between liquid silicone (LSR) and solid silicone (HCR) technologies in terms of cost structure, performance, and process adaptability are profoundly affecting companies' product design and production decisions.   1. Material Properties: Molecular Structure Determines Performance Boundaries Liquid silicone uses a two-component platinum vulcanization system as its core. Its molecular chains have active functional groups at their ends, allowing for rapid cross-linking and curing under heating conditions. This characteristic gives it three major advantages: First, the vulcanization process produces no byproducts, resulting in a product purity of over 99%, suitable for direct use in food contact products; second, it exhibits excellent molecular structure uniformity, with tear strength 30% higher than solid silicone and resilience retention exceeding 95%; third, its rheological properties are controllable, allowing for micron-level precision molding by adjusting viscosity, meeting the needs of complex structures such as medical catheters and electronic sensors.   Solid silicone uses a peroxide vulcanization system, and its molecular chains have a three-dimensional network structure, giving the material higher mechanical strength and temperature resistance. Experimental data shows that solid silicone products have stable performance within a temperature range of -60℃ to 250℃, and a Shore hardness covering a wide range of 20-80A, making them particularly suitable for automotive seals, industrial gaskets, and other applications requiring extreme environmental conditions. Furthermore, the small amount of volatile substances generated during vulcanization can be completely removed through a secondary vulcanization process, ensuring that the product meets environmental standards. 2. Industry Application Scenarios: Demand Drives Technology Selection In the medical field, liquid silicone has become the mainstream solution. Taking artificial heart valves as an example, their micron-level flow channel structure requires materials that combine biocompatibility and molding precision. Liquid silicone, through silicone raw materials injection molding, can achieve uniform molding with a wall thickness of 0.1mm, and the surface roughness of the product is less than Ra0.2μm, significantly reducing the risk of thrombosis. In contrast, solid silicone is more suitable for products with lower flexibility requirements, such as surgical gloves and medical tubing. Its molding process can mass-produce products with a thickness uniformity of ±0.05mm, offering a significant cost advantage. The electronics industry exhibits significant technological differentiation. In wearable devices, liquid silicone, with its self-adhesive properties, can directly bond to engineering plastics such as PC and PBT, eliminating the need for gluing and increasing the production efficiency of smartwatch straps by 40%. In the industrial connector sealing market, solid silicone dominates with its higher compression set (≤15%), and its molding process allows for one-time molding of multi-cavity structures, meeting IP68 protection requirements.   The mother and baby products sector has formed a differentiated competitive landscape. Liquid silicone nipples achieve zero vulcanizing agent residue through platinum curing, achieving a transparency of up to 92%, allowing parents to easily observe the internal cleanliness, and its anti-yellowing properties extend the product's lifespan to over 3 years. Solid silicone, with its cost advantage (40% lower price per unit weight), maintains a market share of over 60% in mass-market consumer goods such as teething toys and tableware, and its molding process can achieve a scale effect of 100,000 pieces per day.   3. Process Characteristics:The Art of Balancing Efficiency and Precision Liquid silicone injection molding achieves fully automated control throughout the entire process. From precise metering of the two components to mold cavity filling, the entire cycle can be controlled within 15 seconds, making it particularly suitable for multi-variety, small-batch production. A case study from a precision manufacturing company shows that after adopting the liquid process, the defect rate of medical catheters decreased from 3% to 0.5%, and the overall equipment efficiency (OEE) increased to 85%. However, this process demands extremely high mold precision; the cold runner system design must control the runner diameter error within ±0.02mm, resulting in mold costs 2-3 times higher than solid-state processes.   Solid-state silicone molding, on the other hand, demonstrates strong cost competitiveness. Its standardized molds are compatible with various product sizes, and rapid changeovers can be achieved by changing inserts, making it particularly suitable for standardized products with an annual output exceeding 500,000 units. Data from an automotive parts supplier shows that the unit cost of sealing rings produced using the solid process is 28% lower than that produced using the liquid process, and the scrap recycling rate can reach 95%, further reducing material waste. However, this process suffers from significant efficiency bottlenecks, with a single vulcanization cycle requiring over 180 seconds, and manual operations (material cutting and placement) accounting for 35% of production time, limiting large-scale flexible production capabilities. 4. Technological Evolution Trends: Collaborative Innovation Opens New Tracks Currently, the two major technological routes are showing a trend of convergence. In the liquid silicone field, breakthroughs in the development of self-adhesive materials have made composite molding of dissimilar materials possible. One company's LSR-PC integrated molding technology has been successfully applied to the manufacture of diabetes insulin pens, reducing the assembly process from 7 steps to 1. In the solid silicone field, supercritical fluid-assisted molding (SCF) technology can achieve product density uniformity of ±1.5%, significantly improving the fatigue life of industrial rubber products.   Industry experts point out that in the next three years, the penetration rate of liquid silicone in high-end fields such as medical microfluidic devices and medical grade body silicone will increase to 45%, while solid silicone, due to its cost advantage, will maintain a market share of over 60% in major markets such as automotive sealing and building waterproofing. Enterprises need to establish a dynamic technology evaluation system based on product positioning, and find the optimal solution in the three dimensions of accuracy, efficiency and cost in order to gain an advantage in the fierce market competition.

Recently, addition-curing silicone has gradually become a focus of attention in the field of materials science. This new type of silicone material, with its unique curing mechanism and numerous advantages, has not only shone brightly in conventional applications but also demonstrated extraordinary potential in specific fields such as industrial mold manufacturing and rapid prototyping, bringing new solutions and development opportunities to many industries. Numerous companies have invested in the research and development and application exploration of addition-curing silicone.   In industrial mold manufacturing, industrial mold silicone rubber has always been a key material. Addition-curing silicone, with its unique curing mechanism, has brought new breakthroughs to industrial mold silicone rubber. The curing process of addition-curing silicone is based on the principle of addition reaction. Unlike traditional condensation-curing silicone, no small molecule byproducts are generated during the addition curing process. Under specific conditions, the active groups in the silicone undergo an addition reaction, directly forming stable chemical bonds, thereby achieving rapid and precise curing. This curing mechanism results in extremely low volume shrinkage during the curing process of addition-curing industrial mold silicone rubber, maximizing the dimensional accuracy and shape stability of the mold. For example, in the manufacture of precision molds with extremely high accuracy requirements, addition-curing industrial mold silicone rubber can ensure that the mold dimensions are highly consistent with the design drawings, reducing subsequent trimming work and greatly improving production efficiency. The field of rapid prototyping also benefits from the development of addition-curing silicone. Rapid prototyping silicone needs to possess characteristics such as rapid molding and high precision to meet the needs of rapid iteration of prototypes in product design and development. The characteristics of addition-curing silicone perfectly match these requirements. Its rapid curing speed can significantly shorten the prototype production time, allowing designers and engineers to see the design effect more quickly and make adjustments. At the same time, high-precision prototypes made of addition-curing silicone can accurately present design details, providing a reliable reference for subsequent product optimization and production.   While pursuing high performance, the environmental friendliness and safety of materials are also receiving increasing attention. Platinum-cured mold silicone, as a high-quality addition-curing silicone, stands out for its superior performance and environmentally friendly properties. The platinum curing system makes the silicone more stable during the curing process, reducing the generation of harmful substances and meeting the environmental and safety requirements of modern industry. Compared to traditional curing methods, platinum-cured molding silicone offers superior heat resistance, chemical resistance, and mechanical properties, enabling its use in harsher environments and providing more reliable protection for industrial molds and rapid prototyping.   Addition-cured silicone exhibits numerous performance advantages. Physically, it possesses excellent flexibility and elasticity, rapidly recovering its original shape after being subjected to significant external forces, and is less prone to permanent deformation. This allows products made from addition-cured silicone to maintain good performance and extend their service life over long-term use. Chemically, addition-cured silicone exhibits excellent chemical resistance, resisting the erosion of various acids, alkalis, organic solvents, and other chemicals, remaining stable even in harsh chemical environments. Furthermore, it possesses excellent electrical insulation properties, effectively preventing current conduction and providing reliable safety for applications in the electronics and electrical fields.   In today's era of environmental protection and sustainable development, the environmentally friendly characteristics of addition-cured silicone make it highly sought after. Because its curing process does not produce small-molecule byproducts, it reduces the emission of harmful substances and has a smaller impact on the environment. Meanwhile, the raw materials for addition-curing silicone rubber are mostly derived from renewable resources or recyclable materials, aligning with the concept of green development. Many companies have begun using addition-curing silicone rubber as a substitute for traditional materials in the production of various environmentally friendly products, not only meeting market demand for environmentally friendly products but also enhancing their social image and competitiveness. To fully realize the potential of addition-curing silicone rubber, numerous companies, research institutions, and universities within the industry have engaged in extensive R&D collaborations. Through resource sharing, technology exchange, and joint research, they are continuously breaking through bottlenecks in performance improvement and application expansion of addition-curing silicone rubber. Some research teams are dedicated to developing novel catalysts and additives to further optimize the curing speed and performance of addition-curing silicone rubber; others focus on exploring its applications in emerging fields such as biomedicine and aerospace. This close collaboration between industry, academia, and research has injected strong momentum into the development of addition-curing silicone rubber, driving technological progress and innovative development across the entire industry.   As an innovative and forward-looking material, addition-curing silicone rubber is leading a new revolution in materials science with its unique curing mechanism, superior performance advantages, environmentally friendly characteristics, and extensive R&D collaborations. With the continuous advancement of technology and the expansion of applications, addition-curing silicone is expected to play an important role in more fields such as industrial mold silicone rubber and rapid prototyping silicone, bringing new opportunities and breakthroughs to the development of various industries.