Methyl vinyl silicone raw gum is the most widely used base polymer in the silicone industry, serving as the fundamental building block for a vast array of silicone rubber products. Composed of a polysiloxane backbone with methyl and vinyl functional groups, this raw gum offers an excellent balance of chemical stability, flexibility, and processability. The vinyl groups provide active sites for addition-cure reactions, enabling precise control over the curing process and allowing for the production of high-performance elastomers with consistent physical properties.
This material is characterized by its superior resistance to extreme temperatures, ozone, and weathering, ensuring long-term durability in diverse environments. It can be compounded with reinforcing fillers such as fumed silica or precipitated silica to enhance tensile strength, tear resistance, and hardness. Methyl vinyl silicone raw gum is compatible with various curing systems, including platinum-catalyzed addition cure and peroxide cure, making it suitable for extrusion, compression molding, and injection molding processes. Its versatility allows manufacturers to tailor formulations for specific applications ranging from soft gels to hard rubbers.
Methyl vinyl silicone raw gum is extensively used in the production of automotive seals, medical device components, kitchenware, cable insulation, and industrial gaskets. It serves as the base material for both high-consistency rubber (HCR) and liquid silicone rubber (LSR) formulations. Its biocompatibility and safety profile make it ideal for food-grade and medical applications. For manufacturers seeking a reliable and adaptable base material for silicone rubber production, methyl vinyl silicone raw gum provides the essential foundation for creating durable, high-quality elastomeric products.
Food grade liquid silicone rubber, plz check
MY LSR 3230 Series A/B