Flexible blue, non-hardening, non-separating, non-toxic paste, no odor, easy clean-up. Use on PVC, CPVC, ABS, polyethylene, polypropylene, iron, steel, copper or brass threads up to and including 2". Withstands up to 3,000 PSI on gases from -46° to +204°C and 10,000 PSI on liquids from -46° to +260°C ABS, cycolac, polypropylene, iron, steel or copper. Lubricates and seals thread on water, natural gas, steam, air lines, caustics and dilute acids