WD-40 contact cleaner — a fast-evaporating spray for cleaning electrical contacts, switches, relays, connectors and circuit boards.
It lifts oil, dirt and light corrosion and dries without leaving a residue, which is why it is used on electronics where an ordinary lubricant would attract dust or bridge a contact.
Always switch off and isolate before spraying, and let the part dry fully before powering it back up. We also stock Würth electrical contact cleaner. Stocked at WPL Trading, No. 305, Kandy Road, Warakapola, with island-wide delivery. Call +94 71 302 4843.
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