Loctite® 554 is a red, methacrylate ester acrylic thread sealant liquid which provides maximum solvent resistance on threaded fittings and pipes up to 2 in (50 mm) in Dia. The sealant is used in place of specialty non-hardening compounds, litharge, glycerin and sealing tape. It is suited to temperatures up to 300.2 deg F (149 deg C).

Loctite® Thread Sealant, 1-Part, Series: 554™, Bottle Container, 10 mL Container, Methacrylate Ester Base, Composition: Polyglycol Dimethacrylate, Cumene Hydroperoxide, Cumene, 24 hr Curing, Red, Characteristic Odor/Scent, -65 to 300 deg F, 1.11 Specific Gravity, >199.94 deg F Flash Point, 12.34 g/L VOC, 2500 cPs Viscosity, Bonds To: Metal