3M™ Scotch-Weld™ Pipe Sealant Anaerobic Adhesives are one-component anaerobic sealants that cure and seal hydraulic and pneumatic pipes and fittings to withstand high temperatures and pressures. PS65 is a general purpose, low the medium breakaway torque strength past pipe sealant. It is formulated to lock and seal medium to coarse straight and tapered pipe threads on pipes of diameter from approximately 5/8” to 3”. It is used for applications that require easy disassembly.Information provided by 3M |