Silicone Grease Tube Hivac-g Shin Etsu Silicone Grease Good Thermo-oxidative Stability And Silicone Grease Automotive This oil compound has excellent heat resistance, oxidative stability and chemical stability. ShinEtsu HIVAC-G 3.5oz (100g) Silicone High Vacuum Grease Shin-ETSU Lubricant Sealing Compound Dielectric Applications Seals by Laoneer Add to cart HIVAC-G forms exceptionally tight seals on gaskets and sliding mechanisms, and is widely used as a sealing compound for high vacuum devices. Shinetsu Hivac-G Heat Pump Vacuum Pump Grease Seal Grease - China... HIVAC-G features a base oil of specially refined silicone fluid, compounded with silica powder. Japan Shintoyue HIVAC-G high vacuum silicone grease waterproof seal Please make sure to check the manufacturer's specifications.