Wd40 wd-40 100ml multi-use aerosol w/d100 wd-40 is an all purpose liquid for displacing moisture, corrosion control, lubrication, cleaning and penetration. It has the ability to penetrate the minute grain boundaries on all metals. Although not essentially a lubricant, wd-40 is regularly used to lubricate all light machinery and electrical equipment.wd-40 protects metal from rust and corrosion, penetrates stuck or jammed parts, displaces moisture, and lubricates just about anything. Wd-40 is also great when it comes to cleaning grease, grime, and other marks from most surfaces.wd-40 is a mixture of chemical concentrates suspended in a high grade petroleum distillate. It will not affect fabrics, rubbers or plastics. Its working temperature is between -100° f and +500° f.thoroughly recommended to clean, preserve and protect all tools.the five basic functions:cleans: wd-40 gets under dirt, marks and grease, making it easy to wipe them away. It also dissolves adhesives, allowing the easy removal of labels, tape, and stickersprotects: wd-40 protects metal surfaces with corrosion-resistant ingredients to shield against moisture and other corrosive elementslubricates: wd-40"s lubricating ingredients are widely dispersed, and hold firmly to all moving partspenetrates: wd-40 loosens rust-to-metal bonds and frees stuck, frozen or rusted metal partsdisplaces moisture: because wd-40 displaces moisture, it quickly dries out electrical systems to eliminate moisture-induced short circuits (remember to turn the power off before you spray)did you know ?discover some unusual uses for wd-40 to keep your world running smoothly!spray wd-40 onto a clean cloth and wipe to remove scuff marks off skirting boardsrid shower screens of water marks and smears with a rub down with wd-40give piano keys a clean up with a squirt of wd-40 and a clean cloth