Pro Grade High Vacuum Silicone Grease 150g Tube For Vacuum And Pressure Systems Rubber Elastomer Lubrication Valves Seals O Rings Water And Chemical Resistant Wide Temperature Range Nonmelting NLGI 3-4

High-Vacuum Silicone Grease for Seals & O-Rings, 150g
✔️ NLGI 3-4, nonmelting silicone grease; water & chemical resistant

A premium vacuum-grade silicone grease packaged in a 150 g tube, built to seal and lubricate in vacuum and pressure systems. It's widely used on valves, seals, O-rings, and related elastomer components in industrial equipment, optics, and chemical processing lines.

✅ 150 g tube size
✅ NLGI 3-4
✅ Silicone-based, nonmelting
✅ Water and chemical resistant
✅ FDA 21 CFR 175.300 compliant
✅ ISO 2137 permeability standard compliant
✅ Low evaporation (<2% at 200°C)
✅ Low exudation (<0.5% at 200°C)

💡 What is silicone vacuum grease used for in high vacuum sealing?

Silicone vacuum grease is handy for sealing and lubrication in vacuum and pressure systems.
- Used on O-rings, valves, and elastomer seals to prevent leaks.
- Helps protect optical lenses from fogging or condensation around seals.
- Meets FDA and ISO standards for safe, reliable performance in process equipment.