Boeshield T-9 Was developed by The Boeing Company for lubrication and protection of aircraft components. It is a combination of solvents, lubricants, and waxes designed for penetration, moisture displacement, lubrication and protection. Boeshield T-9 dries to a thin waxy film that clings to metal for months. It will loosen rusty and corroded parts and is safe on paints, plastics, and vinyl's. Boeshield T-9 comes in a variety of sizes from the industrial gallon sized to a convenient 1 oz. drip bottle. We feel we have the best product of it's type on the market. If you can find a better penetrating lubricant and protectant, let us know, and we'll refund your purchase price. Tour the rest of our site and click on ordering for sizing and pricing details. Lasts 200-300 miles per application. Aerospace technology for bicycle chains! Cleans Lubes Protects Repels dirt, dust, mud Completely waterproof Dries to a paraffin-like wax