This MX6 Machinery Grease 30gm Tube is a smooth light tan grease made from polyalphaolafins and a special bentone thickner. It contains additives to protect against corrosion and oxidation. It has a temperature range of -30°C to an extremely high temperature. It will operate non stop to 240°C all day with short bursts up to 270°C without breaking down. The grease is safe on rubber, and is ideally suitable for all plumbing O-rings & seals, Food machinery O-rings & seals, Pneumatic control valve O-rings & seals, Diving gear O-rings & seals, anywhere rubber or synthetic O-rings and seals are used.