J-B Weld HighHeat Epoxy Putty, Net Content: 2 oz, Odor/Scent: Ethereal, Beige/Gray, Compositions: Talc, not containing asbestiform fibers, Cristobalite glass, oxide, chemicals, crystalline silica non-respirable, 3,6-diazaoctanethylenediamin, Specific Gravity: 1.741, Flash Point: >93 deg C, Temperature Rating: 400 to 550 deg F