WD-40 Specialist line is an exciting range of products wearing the WD-40 shield you've 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 Silicone Lubricant is a hard-working formula that provides excellent lubrication, won't attract dirt, and protects against moisture. It stops parts from sticking and can be used on applications with plastic components. Can work in extreme temperatures of -40degC to +200degC