Antwort Is WD-40 safe for circuit boards? Weitere Antworten – Can you clean circuit boards with WD-40

Is WD-40 safe for circuit boards?
Great for use on drones, 3D printers, robotics, printed circuit board flux and general electronic component maintenance. WD-40® Specialist® Electronics and Electrical Parts Cleaner will help you remove dirt, dust and oils from your sensitive electronics and connections.WD-40 Specialist® Contact Cleaner

Safe and ideal for use on printed circuit boards, controls, battery terminals, switches, precision instruments and electric panels.Emphatically, NO! When WD-40 dries, it leaves an oily residue which you do not want on your electronics. It would actually make things worse. If you really like WD-40, the brand, not the product, the company also makes an electronics cleaning spray.

Is WD-40 a good contact cleaner : ** WD40 is excellent at making bad contacts good again. Switches, connectors and pots are all examples.

What should you not use WD-40 on

7 places to never use WD-40 — you'll be surprised

  • Hinges. A lubricant being sprayed on a door hinge.
  • Bike chains. Someone cleaning a bike chain with a cloth.
  • Locks.
  • Polycarbonate and clear polystyrene plastic.
  • Sensitive electronics.
  • Wax polishes and some wax coatings.
  • Anything that comes into contact with food.

Is WD-40 safe for electric motors : It is certified 50-state VOC compliant and safe for use on most plastics*, rubber, and metal. Ideal for drones, 3D printers, printed circuit boards, electric motors, fans, male-end charge cords, HDMI connectors, game controllers, and more. Removes over 95% of common surface contaminants for optimal performance**.

7 places to never use WD-40 — you'll be surprised

  • A lubricant being sprayed on a door hinge.
  • Someone cleaning a bike chain with a cloth.
  • A hand reaching a key into a lock.
  • A pair of glasses on a table.
  • A games console controller held in hands during play.
  • A wood surface being treated with wax.


As long as your objective is to destroy the motherboard, you can go ahead and use WD-40. However, if your objective is to clean the motherboard without damaging it, then using something which is conductive, acidic, and/or leaves a residue on the circuit board is the last thing you want to do.

What lubricant is safe for electronics

Compu-Lube is a lightweight synthetic oil engineered by Fluoramics to safely lubricate electronics, computers, and high-speed mechanisms such as 3D printers, 3D printer Z screw, computer printers, keyboard switches, stabilizers, computer fans, robotics, and fine bearings.It is certified 50-state VOC compliant and safe for use on most plastics*, rubber, and metal. Ideal for drones, 3D printers, printed circuit boards, electric motors, fans, male-end charge cords, HDMI connectors, game controllers, and more.Most contact cleaners are safe to use on printed circuit boards (PCBs) in electronic devices. Make sure the contact cleaner solvent is compatible with all components, connectors, and packaging by testing on a scrap part or inconspicuous area.

WD-40 Multi-Use Product protects metal from rust and corrosion, penetrates stuck parts, displaces moisture and lubricates almost anything.

Can WD-40 be used on painted surfaces : WD-40 is mixed to precise proportions, and once it's mixed together, the ingredients are safe on your paint. Yes, you read that right.

Is it okay to spray WD-40 on an electric fan : WD-40 is a penetrating solvent but its not a good lubricant. As such it would not be the best lubricant for a fan motor bearing. Maybe the WD-40 might be good to free things up but a good general purpose light lubricating oil is a better lubricant for long term health of the fan.

Is WD-40 safe for computers

It is also a non-abrasive and non-conductive cleaner that is safe to use on electronics and safe to be used on delicate precision equipment ie, laptops, camera gears, microscope and more. As you spray WD-40 Specialist® Air Duster be sure to keep the tip of the sprayer about a half-inch away from the keyboard.

WD-40 is a mix of hydrocarbons, great for removing oils but not for the board. It wouldn't hurt it, though.WD-40® is a non-conductor of electricity and quickly eliminates moisture-induced short circuits. WD-40® is formulated for ultra-high surface attraction to metal. It completely covers surfaces, including microscopic irregularities, even in the presence of moisture.

Is WD40 a bad lubricant : Based on the MSDS sheet, WD40 does not appear to contain such additives, which may result in fatigue and/or adhesive wear. Keep in mind that WD40 is manufactured and marketed as a household lubricant for those "small jobs" or as a rust remover. For these applications, it does a fine job.