Our highest grade of PTFE tape, extra thick and extra density material, has approval from the CSA (Canadian Standards Association) for gas lines (CSA #4-90). UL Listed, Recognized Component and -Temp Thread Seal Tapes are 100% PTFE from the highest quality resins available. This universal thread sealant can be used on all types of metal or plastic pipe connections and effectively seal a vast array of chemicals.
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