Fluid with tetrafluoroethylene telomer. This grease resists oxidation and aggressive chemical reagents, compatible with glasses, metals, and elastomers. Lubricates o-rings and glass or metal joints designed for vacuum. In non-vacuum uses Kluberalfa GR RT 15seals joints in gas and liquid transport systems having hot and reactive flowing materials. Sold in 100 gram tubes. For MSDS of this Kluberalfa GR RT 15 grease see Available Downloads below.