Permatex 80631 Thread Sealant with PTFE, 1 oz. Economical general-purpose fitting sealant Outperforms tapes and pipe dopes Seals and resists pressure in air, oil, diesel fuel and hydraulic systems Remains pliable at higher and lower temperatures Suggested Applications: Air conditioning fittings, temperature sending fittings, hydraulic fittings. Flash point: 23.3333