Over 18

Over 18

WD-40 Specialist Contact Cleaner 400ml

Code: N94LJ

WD-40 Specialist Contact Cleaner 400ml is rated 5.0 out of 5 by 1.
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  • Cleans oil, dirt, flux residue and condensation from sensitive electrical equipment
  • Rapidly penetrates
  • Leaves no residue
  • Can be used on electrical equipment, contacts, plastics and rubber
  • Smart-straw feature - built-in straw that cannot be lost
  • Purchasers must be over 18

Product details

WD-40 Specialist Contact Cleaner 400ml

•Cleans oil, dirt, flux residue and condensation from sensitive electrical equipment
•Rapidly penetrates
•Leaves no residue
•Can be used on electrical equipment, contacts, plastics and rubber
•Smart-straw feature - built-in straw that cannot be lost

Rated 5 out of 5 by from Bought this to clean my phone's internal circuit board, which had white residue, from minor water damage (the phone was still working). This worked perfectly. Removed the residue, no problem. Gave it a quick brush over. Let it dry. Now looks and works great. I like the smart straw on this, use it folded down and you get a large spray for big surfaces, fold it up and you can use the straw to get in smaller area's and be more precise. No more lost straws!
Date published: 2013-01-12
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I have a synth from the 1980s and 90% of the keyboard no longer works. There are a number of rubber contacts for the keyboard and have heard that a contact cleaner will solve the problem by cleaning these rubber strips. Will this product work for this.

Asked by: steve99
The best way to clean those rubber contacts is to take the entire keyboard apart and remove the rubber contact membranes. Then clean the membranes with a gentle rinse in warm water and a little detergent followed by a rinse with clean water and a final rinse with RO water. (you can get RO water from most aquarium suppliers). If there is dirt residue on the circuit board, losen the dirt with a damp cloth and finally give it a wipe with a clean damp cloth with more RO water. RO (reverse Osmosis) or deionised water will be free from dissolved salts and leave no residue. It is also safe on plastics unlike many solvent based products. I have used this method on a number of synths with good results. There are some good video guides on disassembling keybeds on You Tube.
Answered by: AlunH
Date published: 2016-07-30

Can you use this on electrical equipment whilst it is running. e.g. Computer Tower whilst still on.

Asked by: mk33
I am sorry but the item in question does not support use in your intended application.
Answered by: Dominic
Date published: 2015-08-19
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Bulk Prices

Item code Item name Quantity Price
N94LJ WD-40 Specialist Contact Cleaner 400ml (1+) £8.99

Why not tell us and our B2B sales team about your specific business needs and expectations?

At Maplin, we’re always looking for innovations and technology that can help your business work more efficiently.

With a dedicated business team and special services available only to business customers, you can access our electronics and technology solutions through our wide network of over 200 stores, our website with more than 20,000 products or though your personal account manager over the phone.

Working with organisations for nearly 30 years, Maplin offers a nationwide range of benefits to our business users:

  • 30 day EOM credit account
  • volume discount pricing
  • online and in-store use of account
  • one-to-one account management
  • bespoke product sourcing and branding
  • free delivery on orders over £10
  • scheduled and forward ordering service

Contact our business team on 

0333 400 9740 to open an account or discuss your business needs.

To receive your free copy of the Maplin Catalogue just call 0333 400 9740.

£8.99

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