Prevents parts from sticking Waterproofs and protects against moisture For use on metal, plastic, rubber and wood Ideal for guide rails, pipes, hoists, hinges, belts, bearings, linkages, tools, valves, locks and doors WD-40 Specialist line is an exciting range of products wearing the WD-40 shield youve come to rely on. These products have been specially designed for those more demanding jobs that just need to be done right. WD-40 Specialist High Performance Silicone Lubricant solution is a non-staining, hardworking formula, which provides excellent lubrication, wont attract dirt, and protects against moisture. It stops parts from sticking and can be used on high pressure equipment. This product can be used on metal, plastic, wood and rubber and can work in extreme temperatures of -40C to +200C.