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    250ml tube of Dripstop 940

    Dripstop® 940

    Dripstop® 940 is a high-performance thread sealant containing Teflon® and specifically formulated for use on inactive metals such as stainless steel and aluminum in chemical process piping. Dripstop 940 is designed to prevent galling on stainless steel, aluminum, and other metal pipe fittings, ensuring a secure seal and preventing damage during installation. Dripstop® 940 is uniquely formulated to cure without the need for a primer, making the application process faster and more efficient. This sealant has been independently verified for compatibility with Diesel Exhaust Fluid (DEF) systems according to ISO-22241 standards, ensuring its effectiveness in critical applications. With the ability to withstand high pressures—sealing up to 250 psig steam at 400°F (204°C) in continuous service—Dripstop® 940 maintains its chemical inertness, providing long-lasting reliability. It is UL Classified (File MH14222) by Underwriters Laboratories Inc.® for use in devices handling gasoline, petroleum oils, natural gas (pressure not to exceed 300 psig), butane, and propane, for pipe sizes not exceeding 2 inches.