JB Weld Hi-Temp Red Silicone Gasket Maker & Sealant

Great quality silicone sealant, rated for high temperatures of up to 343ºC.

It sets in one hour, and is fully cured after 24 hours.

At a glance:

• Once cured, forms a tough, waterproof seal

• Suitable for use on most surfaces

• Won’t shrink or crack, and resists weathering

• Sensor safe, and ideal for automotive use.

JB Weld’s Hi-Temp Sealant is an RTV (Room Temperature Vulcanized) silicone gasketing material, which means it will begin to cure when exposed to air, and won’t need any additional steps to get it to set.

This sealant is designed for areas such as mechanical assemblies which might be exposed to temperatures between 287ºC or 343ºC.

This JB Weld high temperature solicone sealant is great for things like oil pans, valave covers, exahaust manifolds, water pumps, timing covers, and more.