Petrol-gel food grade lubricant has a high melting point, is impervious to water, and will not contaminate when in contact with food products. Petrol-gel food grade lubricant is ideally used for valves, pistons, gaskets, sanitary pumps, guides & slide mechanisms, all interior parts of freezer barrels and other machinery parts where contact with food products is only incidental. 8 - (4 oz.) Tubes