J-B Weld ExtremeHeat Metallic Paste is specially formulated for high-temperature repairs, designed to withstand heat up to 538°C (1000°F). Ideal for fixing cracks, holes, and seams in iron, steel, and other metal components exposed to extreme heat. Once fully cured, this metallic paste can be drilled, machined, or sanded, ensuring long-lasting and durable repairs. Perfect for use on exhaust manifolds, mufflers, tailpipes, outdoor grills, fireplaces, and more. Features: High Heat Resistance: Withstands up to 538°C (1000°F). Multi-Purpose: Repairs exhaust manifolds, mufflers, catalytic converters, fireplaces, outdoor grills, and more. Easy Application: Water-based formula is non-flammable and VOC-free. Durable: Fully cured paste can be machined, drilled, or sanded. Quick Set: Sets.
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