Longlife 1603 is an economical multi-purpose grease especially suited for normal operating temperatures and other non-critical service applications. 1603 is an excellent corrosion inhibiting grease and is recommended for applications requiring frequent regreasing due to contaminating environments. This product is water insoluble, washout resistant, and fully additive treated with corrosion inhibitors, extreme pressure additives, and oxidation inhibitor additives. It is an excellent choice where an economical valve grease is recommended.