Product Details: The Permatex Thread Sealant with PTFE 16-ounce Brush-Top Can is an all-purpose fitting sealant that is formulated to provide a leak-free seal and withstand pressure up to 5000 psi. This brush-top can of white sealant is perfect for sealing and maintaining flexibility in hydraulic, diesel and oil systems, even at high and low temperatures. It fares better than tapes and pipe drugs and is an inexpensive solution for sealing fittings. With this product, you can be sure that your fittings will stay sealed and secure. FleetPride is your First Click in Heavy Duty®.