Super Lube O-Ring Silicone Grease 3 oz Tube - Walmart.com
Super Lube O-Ring Silicone Grease is a specially formulated non-curing silicone compound that is designed for lubricating, sealing and conditioning O-rings and other regulator, vacuum and valve system components. Compatible with most plastics and rubbers. Product is waterproof, protects against moisture, oxidation and is heat stable.