Is this only contact cleaner OR does it have lubricant in it too -- someone please check can label ?

The n-Hexane and the isopropyl alcohol components of WD-40 are solvents that clean oil, dirt and other residues from the surface where it is applied. There is no lubricant component in the cleaner.

Can this spray be used on plastic surface (ex: headphone) to "prevent" dirt, dust, or fingerprint?

This product, while safe on most, if not all, plastics is designed for cleaning electrical contacts and related items. It is not meant to be used as a wax or polish. Hope this helps.

Would this clean a water damaged phone circuit board?

The problem with this product is its evaporation rate. All you'll be doing is replacing the water with the contact cleaner. The circuit board will remain saturated until it's either purged with compressed air or allowed to bake in the sun. CRC contact cleaner will purge and then evaporate quickly (while you watch). WD is cheaper but you get what you pay for.

will this melt plastic or discolor it if accidentally spilled on it?

It might. If you're not sure, put a small amount of it on the plastic and see what happens first. If nothing happens then spray away...

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Specialist Contact Cleaner Spray, 11 oz.

Product ID: 3925710

Details

Brand
WD-40
Item Form
Spray
Material Feature
Recyclable
Scent
Unscented
Specific Uses For Product
Industrial

⚡Quick-drying formula

🔧Residue-free cleaning

🧴11 oz precision spray

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¥3068

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Revive your electronics with precision power!

FAST DRY NO RESIDUE - Dries instantly to keep your circuits spotless and fully operational without sticky leftovers.
SAFE ON MOST SURFACES - Engineered to clean metal, plastic, and rubber without damage—test first on delicate plastics.
ECO CONSCIOUS COMPLIANT - 50-state VOC compliant and recyclable packaging for responsible maintenance.
PINPOINT PRECISION CLEANING - Blast away oil, dirt, and flux residue from sensitive electronics with surgical accuracy.
INDUSTRIAL STRENGTH RELIABILITY - Trusted by professionals for tough jobs and extreme conditions, ensuring peak device performance.

WD-40 Specialist Contact Cleaner Spray (11 oz) is a fast-drying, residue-free solution designed to clean sensitive electrical components like circuit boards, switches, and battery terminals. Safe on most plastics, metals, and rubber, it removes oil, dirt, flux, and condensation with industrial-grade strength, trusted by professionals and compliant with environmental standards.

Specifications

ASIN	B00AF0OFVU
Brand	WD-40
Brand Name	WD-40
Capacity	11 ounces
Cleaning Agent Formulation	Hard Surface Cleaner
Contains Liquid Contents?	Yes
Customer Reviews	4.8 out of 5 stars 17,532 Reviews
Global Trade Identification Number	00079567300557, 20079567300551
Included Components	WD40 Company 300554 Specialist Contact Cleaner Spray - 11 oz. with Smart Straw
Item Form	Spray
Item Type Name	WD40 Company 300554 Specialist Contact Cleaner Spray - 11 oz. with Smart Straw
Item Volume	11 Fluid Ounces
Item Weight	11 Ounces
Manufacturer	WD-40
Material Feature	Recyclable
Material Features	Recyclable
Material Type Free	residue-free
Model Number	300554-E
Number of Items	1
Part Number	30055
Product Benefits	Residue Free
Scent	Unscented
Size	11 Ounce (Pack of 1)
Special Features	Residue Free
Specific Uses For Product	Industrial Machinery
Surface Recommendation	Plastic,Metal
UPC	079567300557
Unit Count	11.0 Ounce
Warranty Description	No

Reviews

R**N

Good Old Contact Cleaner - Not As Common Today!

WD-40 Specialist Contact Cleaner Spray, 11 oz. It is a WD40 product! I got this to clean sliding switches on some solar yard lights. It brought them back to life. If you have old fashioned mechanical switches, linear or rotary, this is what you need to keep them working at peak efficiency. It leaves no residue I can see (dries quickly), a little bit was enough, and just working the sliding switch on the solar light was enough to clean the switch contacts and revive the light. My lights have been working for a week now and that is with rain (light about .01 inch) and the sprinklers watering the lawn (95 degree + days). Good Stuff!

28.09.2025

S**O

SEE ABOVE REVIEW FOR DETAILS,ETC.---

A VERY SPECIAL PRODUCT WHICH HAS HUNDREDS OF USES!-ESSENTIAL TO HAVE & KEEP ON HAND!-I NEEDED IT FOR A CONTACT SPRAY ON ELECTRONICS DEVICES(VARIOUS).-REALLY WORKS & LASTS!----

3.06.2026

A**N

Great Switch/contact cleaner restorer!😊

I have a 2005 Toyota Camry. The Master Switch for windows, door locks, and mirrors is $700!!! The rear windows wouldn’t go down. I sprayed the switches without taking apart. The results were fantastic!!! All the window switches work again!!!😊👌🤟

18.04.2026

C**R

Easy to use

Worked well and made connections clean and running.

16.01.2026

Z**F

IT JUST WORKS

This stuff worked extremely well. I have a 40 year old Sony Discman that had a noisy volume potentiometer...a few sprays and working the volume wheel back and forth a few times eliminated the noise completely. This dries quickly and leaves zero residue. Very impressed with the effectiveness of this product.

2.05.2026

R**S

Good product

Good for automotive spot lubrication.

7.06.2026

C**E

yep

leaves no residue when it dries, does its job.

25.05.2026

T**A

Never doubt WD40

Great stuff for cleaning Tesla charger and electronics part. Wd40 still going strong. Cheaper than home Depot. Great value. Super easy to apply. Fast drying.

13.06.2026

S**Y

One of the best tool for electronics repair and cleaning

Must try for electronics repair and cleaning, once you use it then you may buy again and again.

17.05.2026

D**E

Good product.

Good for cleaning your contacts.

21.04.2025

M**D

👍🏻

ممتاز

15.11.2024

D**M

Achcha product hai

Achcha hai electronic ke liye ...

25.04.2026

R**L

एकदम बडिया है ये स्प्रे हर तरह के ईलेक्ट्राॅनिक चिज को साफ कर देता है यह

एकदम बडिया है ये स्प्रे हर तरह के ईलेक्ट्राॅनिक चिज को साफ कर देता है यह और जो ईलेक्ट्राॅनिक चिज बंद पडी है उसे भी यह चालु कर देता है

8.07.2021

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¥3068

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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