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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Description

⚡ Clean smarter, not harder—keep your tech flawless and FOMO-free!

FAST DRY FORMULA - Dries in seconds to minimize downtime and keep your devices running smoothly.
MULTI SURFACE SAFE - Engineered to clean sensitive plastics, rubbers, and metals without damage.
SMART STRAW CONTROL - Flip-up straw for targeted spray or broad coverage—clean exactly where you need it.
PRECISION POWER CLEAN - Blast away oil, dirt, and flux residue with pinpoint accuracy for flawless electronics.
INDUSTRIAL STRENGTH RELIABILITY - Trusted by pros for tough jobs and extreme conditions—because your gear deserves the best.

WD-40 Specialist Contact Cleaner Spray (11 oz) is a fast-drying, residue-free solution designed to clean sensitive electrical equipment including printed circuit boards, switches, and controls. Safe on most plastics, rubbers, and metals, it removes oil, dirt, flux residue, and condensation with industrial-grade precision. Featuring a smart straw for versatile application, this unscented spray is VOC compliant and trusted by professionals to maintain peak device performance.

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 17,312 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	15.2 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

28.09.2025

A**N

18.04.2026

R**N

18.04.2026

D**D

28.03.2026

C**R

16.01.2026

G**A

23.01.2026

N**A

3.04.2026

P**H

12.04.2026

M**D

15.11.2024

D**M

25.04.2026

S**E

20.03.2023

W**D

18.02.2026

R**L

8.07.2021

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WD-40 Specialist Contact Cleaner Spray, 11 oz.

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