Sealant paste designed for metal threaded pipes and fittings in industrial applications which is particularly suitable for sealing steel metal joints. Loctite 5770 is an Off-White to purplish gray dimethacrylate ester acrylic sealant paste designed for locking and sealing metal threaded pipes and fittings in industrial applications. It prevents loosening and leakage from shock and vibration and is particularly suitable for sealing steel metal joints where high temperature and high pressure resistance is required.