Top pick Loctite® 567™ thread sealant with PTFE is a general purpose instant sealer for tapered and straight/tapered fittings
Loctite® 567™ 56747 Thread Sealant, Container Size: 50 mL, Container Type: Tube, Chemical Composition: Methacrylate Ester, Creamy Off-White, Form: Smooth Paste, Odor/Scent: Mild, Specific Gravity: 1.14, Flash Point: > 93.3 deg C, Boiling Point: > 300 deg F, Viscosity: 280000 - 800000 cP