Molykote 55 O-Ring Grease has been shown to swell natural rubber.
It is recommended for dynamic lubrication between rubber and metal parts in pneumatic systems in aircraft, automotive and general industrial applications.
Also used in certain paintball marker applications.
GENUINE DOW CORNING MOLYKOTE 55 O-Ring Grease, NLGI #2 Consistency, Off-White Color. Molykote 55 O-ring Grease is a silicone-based material and contains an additive that helps ensure positive lubrication and sealing by slightly swelling rubber O-rings and seals. This product is heat stable and oxidation resistant and is serviceable from approximately -65 to 175°C (-85 to 347°F). It is recommended for dynamic lubrication between rubber and metal parts in pneumatic systems in aircraft, automotive and general industrial applications. Also used in certain paintball marker applications.