AA THREAD SEAL" PTFE THREADSEAL TAPE*Self lubricating leakproofsealant*Tolerates -400 deg.F to +500deg.F temperatures*Won"t harm food, fuels andpetrochemicals*For anything with a thread*Use on iron, brass, stainlesssteel, aluminum, ceramic,plastic, synthetic, rubber,monel and carbon pipe*Bulk bag of 25*1/2" x 260"