Blue Monster PTFE thread seal tape is a blue color-coded, professional grade density thread sealing tape for thousands of applications. Blue Monster is not too thick and not too thin. It was developed by mill rose in response to the demand for a higher quality PTFE thread sealing tape that is easier to apply ensuring dependable, leak proof joints. Use blue monster on threads made from galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, polypropylene, PVC, CPVC, ABS, fiberglass, and more. Blue Monster is suitable for use on lines carrying diluted acids, compressed air, alcohol, aliphatic acid, ammonia, aromatic solvents, chlorinated solvents, cutting oils, diesel fuel oils, ethylene glycol, fatty acids, gasohol, glycerin, heating oils, hydraulic oils, hydrogen, jet fuel, kerosene, ketones, LPG, mineral oils, natural gas, nitrogen, petroleum solvents, soap, steam, vegetable oils, potable water. No curing time.