Devcon Maximum Temperature Thread Sealants Lubricates threads for easy assembly and disassembly. Won't shred or wear like PTFE tape. High performance, solvent- sealant locks and seals metal, tapered pipe threads and fittings. Specifically formulated for aluminum, stainless steel, galvanized metal and other inert metals. Temperature range from -65F to 400F (-54C to 204C) Pack of 1