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 Electrical Contact Cleaner Spray 400 ml

Product ID: 254659544

Details

Brand
WD-40
Item form
Spray
Material features
clean
Scent
Unscented
Specific uses for product
Industrial

⚡Fast-drying formula

🔧Safe on electronics & plastics

🌬️400 ml spray volume

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₩55100

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Clean smarter, not harder — keep your tech flawless!

MOISTURE DISPLACEMENT - Prevents rust and corrosion by displacing moisture instantly
TRUSTED INDUSTRY LEADER - WD-40’s #1 ranked electrical cleaner with 4.8-star rating
ELECTRONICS SAFE FORMULA - Chlorine-free and fast-drying to protect sensitive components
PRECISION CLEANING POWER - Removes grease, grime & corrosion without residue
MULTI SURFACE COMPATIBILITY - Perfect for plastic, metal, and industrial machinery

WD-40 Specialist Electrical Contact Cleaner Spray (400 ml) is a fast-drying, chlorine-free solution designed to safely clean and protect electronic and electrical equipment. Trusted globally with a 4.8-star rating, it removes grease, grime, and moisture to prevent corrosion on plastics, metals, and industrial machinery.

Specifications

ASIN	B00AF0OFVU
ASIN	B00AF0OFVU
Best Sellers Rank	#553 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Electrical Cleaners
Brand Name	WD-40
Capacity	312 g
Contains Liquid Contents?	Yes
Customer Reviews	4.8 4.8 out of 5 stars (16,847)
Customer reviews	4.8 4.8 out of 5 stars (16,847)
Global Trade Identification Number	00079567300557, 20079567300551
Is Discontinued By Manufacturer	No
Item Form	Spray
Item Volume	11 Fluid Ounces
Item Weight	15.2 Ounces
Item model number	300554-E
Manufacturer	WD-40
Manufacturer	WD-40
Material Features	clean
Material Type Free	Chlorine Free
Model Number	300554-E
Number of Items	1
Part Number	30055
Product Dimensions	6.5 x 6.5 x 21 cm; 430.91 g
Scent	Unscented
Size	11 oz
Special Features	Fast-Drying, Safe for Electronics
Special Ingredients	n-Hexane, Isopropyl Alcohol, 1,1-Difluoroethane
Specific Uses For Product	Industrial Machinery
Surface Recommendation	Plastic,Metal
UPC	079567300557
Unit Count	400 Milliliters

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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