Keeps RV slide outs moving freely and smoothly without gumming up or staining. Protects delicate assemblies from rust and corrosion using superior PTFE moisture-displacing technology. Coats, repels moisture as it protects with a special lubricating barrier action. Seals, leaves a moisture-repelling film that inhibits corrosion. Contains no chlorinated or fluorinated solvents. Fortified with PTFE.