It is a PTFE thickened, heavy viscosity fluorinated grease for long life applications where chemically inert greases are required for handling corrosive or oxidizing substances. SAM 9140 incorporates high viscosity PFPE base oil for its excellent high temperature performance. It is a homogeneous light colored grease which is resistant to oxidation and chemical agents. It is compatible with all types of materials such as glass, metals, elastomers, plastics, ceramics etc. They can be used in the presence of water, oils, vapor, all organic substances and solvents which are not highly fluorinated.