J-B Weld Ultimate Grey Ultimate Grey Gasket Maker & Sealant

• RTV (room temperature vulcanized) silicone
• Forms a tough, waterproof gasket and seal on most surfaces when cured
• Designed for use in mechanical assemblies with higher load requirements; great for automotive applications
• Won't shrink or crack; resists weathering
• Resists temperatures up to 500 F intermittent