J-B KwikWeld Professional is a professional-sized version of our fast setting KwikWeld two-part epoxy cold weld system.  It provides strong, lasting repairs to metal and multiple other surface types. After mixing, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. J-B KwikWeld has a 1:1 mixing ratio, sets in 6 minutes and is fully cured in 4-6 hours. J-B KwikWeld cures to a dark grey color, is rated at a tensile strength of 2424 PSI and will withstand temperatures up to 300ºF.