JB Weld Muffler Patch

J-B Weld Muffler Patch is reinforced with fiberglass and a special one-component epoxy compound that hardens when exposed to heat. On contact with a heat source, this product will polymerize and form a solid, permanent stain on the underlying surface.

Epoxy coated fiberglass casing

Resists up to 315 ° C

Heat-hardens in 20 minutes

Hardens like steel

Ideal for muffler repair