JB WELD Extreme Heat is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters. This product is water based, non-flammable and contains no solvents or Volatile Organic Compounds (VOCs).
Dries machine grey
Can be used for filling cracks and holes on metal surfaces
Sets in 1 hour
contains no solvents
Can be drilled , machined, and sanded when fully cured