A pure white thread lubricant & sealant made with teflon. Brushable paste dries slowly, non-hardening. Withstands up to 3,000 PSI on gases at temperatures from -50°ree. fahrenheit to +500°ree. fahrenheit. 4 Oz Master Plumber TFE paste with teflon A pure white thread lubricant & sealant made with teflon Brushabl