Blue Monster Industrial Grade Pipe Thread Sealant is a slow- drying, soft-setting, non-hardening pipe thread compound. Specially formulated with superb sticking characteristics, Blue Monster applies evenly and quickly to threads. Blue Monster is recommended for on-site or assembly line work. It is lead-free, non-toxic and will not harden or separate in the can. When applied properly, Blue Monster allows the system to be pressurized immediately after assembly. It does not require any set or cure time. For use on pipes carrying diluted acids, compressed air, diluted alkalis, ammonia, aliphatic solvents, brine, butane, carbon dioxide, castor oils chlorinated water, coal tar naptha, cutting oils, diesel fuel oil, Freon, gasoline, glycol, heating oils, helium, hydraulic oils, hydrogen, jet fuel, kerosene, lacquer, petroleum gas, mineral oils, natural gas, nitrogen gas, petroleum solvents, propane, soap, steam, sugars, vegetable oils, potable water.