Withstands continuous exposure temps up to 500°F / 600°F Intermittent Made of 100% silicone and remains flexible Peel strength of 20 lbs. 3 oz. Tube w/application nozzle Developed by Dow Corning for the extreme-duty aerospace applications Heat Resistant Sealant bonds to almost all surfaces including fiberglass metal wood rubber and plastic. It’s an ideal method of encapsulating and protecting applications where parts must perform at high temperatures. Unlike other sealants Heat Resistant Sealant will not sag or run on overhead or on side wall applications.