NuFlex® 302 High-Temperature Silicone Sealant is a medium modulus one-component acetoxy cure, non-sag caulking material. NuFlex® 302 High-Temperature Silicone Sealant cures to form a sturdy, rubbery solid upon exposure to moisture in the air.

NuFlex® 302 High Temperature is formulated to perform at temperatures ranging from -65° to 260°C (-85° to 500°F) under continuous operating conditions. During intermittent exposure, NuFlex® 302 High Temperature will withstand temperatures as high as 316°C (600°F). It is ideal for many sealing and bonding applications.

• Acetoxy cure
• Certified by NSF (RED)
• 100% silicone
• Water-resistant before, during, and after cure
• RTV (Room Temperature Vulcanization)
• Adheres to many substrates
• Excellent extreme-temperature performance
• 50-year durability
• Can be applied in sub-zero temperatures
• Withstands up to 316°C (600°F)