✓ Non-hardening PTFE paste for metal and plastic threaded pipe ✓ Seals fuels, oils, water, refrigerants, steam, and inert gases ✓ Rated to 10,000 psi; eases assembly and disassembly ✓ Will not crack, shred, run, or drip; brush-on application High Demand Item – Frequently Reordered by Contractors Solution 425 is a premium, PTFE-enhanced non-hardening pipe sealing paste for most threaded metal or plastic pipe. It prevents leaks and seals most common fluids and gases – including fuels, oils, water, refrigerants, steam, and inert gases – and seals to the bursting pressure of the pipe. The non-hardening formula will not crack, shred, or contaminate systems, eases assembly and disassembly, and brushes on cleanly without running or dripping. Supplied as a white paste in 4 oz, 8 oz, and 1 lb brush-top cans. Applications Threaded metal and plastic pipe – steel, stainless, brass, PVC, HDPE, PP, and nylon Fuel, oil, water, and steam lines Refrigerant and inert-gas connections Refineries, chemical plants, and water and wastewater treatment Connections that must be opened and resealed Key Features PTFE-enhanced, non-hardening paste Seals most fluids and gases to 10,000 psi Works on metal and plastic pipe Prevents galling and corrosion; lubricates threads Will not run or drip; brushes on cleanly Contains only FDA-recognized ingredients for incidental food contact (21 CFR 170–190) Specifications Type PTFE pipe sealing paste (non-hardening) Color White Texture Thick brush-on paste Pipe Materials Metal and plastic – steel, stainless, brass, PVC, HDPE, PP, nylon Pressure Rating To 10,000 psi (or pipe rating) Max Service Temperature 300°F (149°C) Flash Point 375°F Compliance FDA-recognized ingredients for incidental food contact (21 CFR 170–190) Available Sizes 4 oz, 8 oz, 1 lb Best Used For Threaded metal and plastic pipe Fuel, water, steam, and gas lines Process and utility piping Fittings opened and resealed during service FAQ What pipe can I use it on? Most threaded metal and plastic pipe – steel, stainless, brass, PVC, HDPE, PP, and nylon. What does it seal? Most common fluids and gases, including fuels, oils, water, refrigerants, steam, and inert gases, to 10,000 psi. Does it harden? No – it stays non-hardening, so fittings ease apart and it will not crack or shred. Any restrictions? Not for use in oxygen service. Why Contractors Choose This Non-hardening seal that comes apart cleanly at distributor pricing Broad fluid, gas, and pipe-material compatibility Brushes on without running or dripping Rated to 10,000 psi Case pricing that drops as the order grows ✓ Rated to 10,000 psi ✓ PTFE-enhanced, non-hardening formula ✓ Bulk and case pricing built for shops and contractors ✓ Sold and supported by a distribution team with decades in the trade Buy More. Save More. Save 10% when you order a full case. Case and volume pricing available on every size – contact us for shop and contractor pricing on multi-case orders.
