How much heat can J-B Weld withstand?

Original J-B Weld can withstand a constant temperature of 500º F. The maximum temperature threshold is approximately 600º F for a short term (10 minutes). Refer to individual product packages for more temperature information.

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    Khalid Mahmood

    The ClearWeld package, Product No. 50112, is silent on the issue of temp tolerance.
    (Pl do not bother to respond in this instance, as I have already emailed yr Customer Service separately re this matter.).
    K. Mahmood.