Everkem Hi-Temp Heat Resistant Silicone

Hi-Temp Silicone is a red, one-part, non-slumping heat resistant adhesive sealant engineered for extreme and high temperature resistance, maintaining performance continuously from -85°F to 500°F, and withstanding intermittent heat up to 600°F. It cures into a durable silicone rubber that bonds effectively to glass, wood, porcelain, ceramics, painted surfaces, and many plastics, metals, and rubbers.

Ideal for sealing and bonding in demanding environments, it excels in applications such as stove and furnace vent pipes, heating element encapsulation, industrial ovens, and smokestacks. Certified to NSF 51 standards, it is safe for food processing areas and complies with ASTM C920, FDA regulations, and federal specifications.

Key Specs

• Continuous temperature rating: -85°F to 500°F
• Intermittent temperature rating: up to 600°F
• 25% joint movement (ASTM C920 Class 25)
• NSF 51 certified for food contact areas
• 50+ year durability
• Mildew resistant, low VOC
• Excellent weather, ozone, and chemical resistance

Common Applications

• Furnace and stove vent pipe seals
• HVAC ductwork and heating equipment
• Industrial ovens and smokestacks
• Commercial kitchen exhaust hoods (NSF 51)
• Chimney flashing
• Heating element encapsulation

For help choosing the right high-temp sealant for your application, see our High-Temperature Sealant Guide. For the full sealant selection guide covering all types, see the Sealant and Caulking Selection Guide. This product meets ASTM C920 and is NSF 51 certified for food processing applications.

Sold in a case of 12 × 10.1oz tubes per case.