Fa Duca Lub HIVAC Grease is high-viscosity stiff non-melting grease formulated from select polydimethyl silicone fluids & inert silica thickener. Applications include sealing vacuum and pressure systems, pharma equipment, scientific laboratories and industrial applications. How to apply: Clean the surface from grease, oil, and dust. Wipe out with solvent. Apply a thin even coating. Do not apply silicone oils, greases or Compounds on surfaces that are to be painted afterwards. Service Temperature, Estimated: -40 0 C to +200 0C Colour: White, translucent Applications: Lubricating O-rings, plug valves, control valves, flow meter bearings, ceramic plug cocks, fire extinguisher valves, water treatment equipment, synthetic rubber gaskets and seals in high temperature applications, Sealant and lubricant for cable connectors, battery terminals, switches and moisture proof seal for electrical assemblies and junctions Assembly lubricant for metal-on-plastic and metal-on-rubber combination.