Premium Closed Cell Silicone Sponge Rubber | ISO Certified Manufacturing

Need exceptional cushioning, insulation, and moisture sealing? Elastostar Rubber Corporation offers top-tier Closed Cell Silicone Sponge Rubber products. Engineered with a completely sealed cell structure, this material blocks water, air, and dust transmission while offering outstanding thermal insulation and vibration dampening. Perfect for outdoor enclosures, HVAC units, and aerospace gaskets. Our sponge rubber complies with strict quality certifications, including FDA compliance and UL 94 flame retardancy where required, ensuring safety and longevity in extreme environments. Secure your equipment with premium sponge rubber. Call or email us today for a sample or a direct quote!