Can i use liquid wrench penetrating oil on a large pvc water shut off valve? it runs to a waterfall. it has been buried for years and won't budge.

It should not hurt the pvc. If valve has been buried, I would first clear around it then clean it as best as possible. Take a hair dryer or heat gun(be very careful with heat gun) and warm, just warm valve, let cool and warm again. Apply liquid wrench let sit 10-20 mins. Use valve wrench to try and open valve, repeat id necessary. Heat done right(low) ought not cause any problems with liquid wrench which is a flammable.

After it dries, does anyone knows if it will prevent rust?

It does prevent rust. Been using liquid wrench for 40 years to prevent rust on my tools stored in my garage. After iI use a metal tool I spray it with Liquid Wrench. Never lost a tool due to rust.

Is it safe to use for breaking loose rusted stuck exhaust bolts? i know it is flammable but i figure i could clean it off after i get the bolts out.

It won a comparison between 5 other well known rust penetrators by a well know product evaluator on YouTube. But the ultimate exhaust bolt fix is heat if all else fails.

Does this form a foam when sprayed on ??? J. Payne

No, it is more like the consistency of WD-40. It bubble a little when you first spray it (probably from the propellant) but it leaves more of a thin (penetrating) oil residue.

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Liquid Wrench L106 Penetrating Oil, 5.5 Oz

Liquid Wrench L106 Penetrating Oil, 5.5 Oz

Product ID: 722858807

Details

Brand
Liquid Wrench
Item weight
154 g
Liquid volume
5.5 Fluid
Material
Blend
Package information
Bottle

⏱️Works within minutes

⚙️Fast-acting rust penetrant

🛠️5.5 oz convenient aerosol

€ 39.02

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Unlock stuck parts like a pro—don’t let rust hold you back!

TRUSTED BLEND FOR METAL - Specially formulated corrosion inhibitor designed to protect and extend the life of metal components.
COMPACT READY TO SPRAY - 5.5 oz aerosol bottle fits perfectly in your toolkit for on-the-go maintenance.
BREAK FREE RUSTED PARTS FAST - Penetrates and loosens stuck nuts, bolts, and metal parts in minutes for hassle-free repairs.
VERSATILE MULTI USE PENETRANT - Ideal for automotive, industrial, and home applications—never get stuck again.
PROVEN PERFORMANCE WITH 4 5 ★ REVIEWS - Highly rated by professionals and DIYers alike for reliability and effectiveness.

Liquid Wrench L106 Penetrating Oil is a 5.5 oz aerosol spray designed to quickly penetrate and loosen rusted or seized metal parts. Its fast-acting formula works within minutes to free stuck nuts, bolts, and components while providing corrosion inhibition. Trusted by professionals and DIY enthusiasts, it’s a compact, versatile essential for any toolkit.

Specifications

ASIN	B00200MR8Q
Brand Name	Liquid Wrench
Compatible Material	metal
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (269)
Global Trade Identification Number	00076335005232, 00078698120133
Item Form	Spray
Item Weight	0.34 Pounds
Liquid Volume	5.5 Fluid Ounces
Manufacturer	Liquid Wrench
Material	Blend
Model Number	L106
Number of Items	1
Part Number	L106
Recommended Uses For Product	Corrosion Inhibitor
SAE J300 Viscosity Grade	0W
UPC	076335005232 078698120133
Unit Count	162.65 Milliliters
Viscosity	0w

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TrustScore 4.5 | 7,300+ reviews

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