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
0.09 Pounds
Liquid volume
5.5 Fluid
Material
Blend
Package information
Bottle

⏱️Loosens stuck parts in minutes

⚙️Fast-acting rust penetrant

🛠️5.5 oz convenient aerosol

$37.22

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Unlock stuck parts like a pro—don’t let rust slow your hustle!

CORROSION DEFENSE - Dual-action blend not only loosens but also inhibits future rust buildup
RAPID PENETRATION - Advanced formula breaks down corrosion in just minutes, saving you time
COMPACT POWERHOUSE - 5.5 oz aerosol bottle fits perfectly in your toolkit for on-the-go fixes
SPRAY WAIT AND GO - Effortlessly frees rusted nuts and bolts with minimal scrubbing
TRUSTED RELIABILITY - 4.5-star rating from 221 users proves consistent performance

Liquid Wrench L106 Penetrating Oil is a 5.5 oz aerosol designed to quickly and effectively loosen rusted and stuck nuts, bolts, and parts. Its fast-penetrating solvent formula saves time and effort, backed by a strong 4.5-star user rating. Ideal for professionals and DIYers seeking reliable corrosion inhibition and hassle-free maintenance.

Specifications

ASIN	B00200MR8Q
Brand	Liquid Wrench
Brand Name	Liquid Wrench
Container Type	Bottle
Customer Reviews	4.5 out of 5 stars 221 Reviews
Global Trade Identification Number	00076335005232, 00078698120133
Item Weight	0.34 Pounds
Item weight	0.34 Pounds
Liquid Volume	5.5 Fluid Ounces
Liquid volume	5.5 Fluid Ounces
Manufacturer	Liquid Wrench
Material	Blend
Model Number	L106
Number of Items	1
Package information	Bottle
Part Number	L106
Recommended Uses For Product	Corrosion Inhibitor
Recommended uses for product	Corrosion Inhibitor
SAE J300 Viscosity Grade	0W
UPC	076335005232 078698120133
Unit Count	1.0 Count
Viscosity	0w

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