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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リキッドレンチ L112-12PK 液体レンチ浸透オイル (12/11オンス)

Product ID: 730901458

Details

Material
plastic
Brand
Liquid Wrench
Package Information
Can
Liquid Volume
11 Fluid
Item Weight
0.96 Pounds

🔧Powerful rust dissolver

🛡️Safe on multiple surfaces

🇺🇸100% Made in USA

$461.50

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Description

🔧 Rust doesn’t stand a chance—unlock your projects with Liquid Wrench!

TRUSTED LEGACY OF 75 YEARS - Family-owned brand with proven performance for pros and DIYers alike.
VERSATILE APPLICATION RANGE - Ideal for clamps, pipe fittings, locks, latches, and even freezer mechanisms.
ECO FRIENDLY LOW ODOR FORMULA - 0% VOC and safe for painted surfaces, plastics, and PVC—work confidently indoors or out.
BULK PACK FOR CONTINUOUS PROJECTS - 12 cans of 11 oz each—always have your go-to penetrating oil on hand.
UNLOCK RUSTED HARDWARE EFFORTLESSLY - Penetrates and frees stuck nuts, bolts, and hinges with ease.

Liquid Wrench L112-12PK is a 12-pack of 11 oz cans of premium penetrating oil designed to dissolve rust and free stuck hardware. With a low-odor, 0% VOC formula safe for painted surfaces, plastics, and PVC, it’s 50-state compliant and 100% made in the USA. Trusted for over 75 years, this versatile product is perfect for nuts, bolts, hinges, clamps, pipe fittings, locks, latches, and freezer mechanisms.

Specifications

Manufacturer	Liquid Wrench
Part number	L112-12PK
Item Weight	436 g
Product Dimensions	27.69 x 21.34 x 22.35 cm; 436.2 g
Is Discontinued By Manufacturer	No
Size	Case of 12, 11 oz.
Color	yellow
Style	11 oz - Quantity 12
Material	plastic
Specific Uses For Product	Rusted nuts, bolts and hinges, clamps and pipe fittings, locks and latches, freezing mechanism, nozzle and hose pipe fittings
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	27.7 x 21.3 x 22.4 cm

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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$461.50

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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リキッドレンチ L112-12PK 液体レンチ 浸透オイル (12/11オンス)

Details

Details

Description

Specifications

Common Questions

リキッドレンチ L112-12PK 液体レンチ浸透オイル (12/11オンス)