WD-40 Specialist Contact Cleaner blasts away oil, dirt, flux residue and condensation from sensitive electronics and equipment. Use the Smart Straw for precise or wide applications. Our solvent blend is safe on most plastics and metal parts. It removes over 95% of common surface contaminants for optimal performance.* This industrial-strength electronic cleaner spray dries quickly and leaves behind no residue. Try it on printed circuit boards, controls, battery terminals, switches, precision instruments and electric panels while making sure to avoid adhesives, device screens and keyboards. *Always check with the manufacturer before performing maintenance on devices. Test Lab: Sterling Laboratories (Toledo, OH); ASTM D4488; Test date: 08/2018. About WD-40 Brand Whether you need the original blue and yellow can with thousands of uses, or a WD-40 Specialist penetrating oil, lubricant, cleaner or solution to protect against or remove rust, we've got you covered. Repair don't replace with a range of products. Get the job done right with WD-40 Multi-Use Product, WD-40 Specialist, and WD-40 BIKE.