Product Description Lubricates and seals all threaded joints . White, non-hardening, non-separating, non-toxic paste . Withstands up to 3,000 PSI on gases from -50° to +400°F, and 10,000 PSI on liquids from -50° to +500°F . From the Manufacturer Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry