Industrial grade pipe thread compound. Slow drying, soft setting, non-hardening pipe thread compound. Specially formulated with superb sticking characteristics. Applies evenly and quickly to threads. Recommended for onsite or assembly line work. Lead-free, non-toxic, and will not separate in the can. Temperature range: -50 Deg (degrees) F (Fahrenheit)/-45 Deg C (Celsius) to 400 Deg F/204 Deg C. Pressure ratings: gases up to 3000 PSI (pounds per square inch)/liquids up to 6000 PSI. Not for use in oxygen systems