Will yhis work on the bottom of a black water tank?

We used it to repair a separated seam on the drinking water tank for our camper. I don’t see why it wouldn’t work for your application. It’s held for a solid year, with several uses.

My coolant tank isn't cracked but has that white spiderweb look on the top near the cap, would this cover that section, to prevent it from cracking?

I think so. My tank had a small hole and it was very brittle in the area with cracks and it has done just fine for several months now. Much cheaper than paying $100 bucks for OEM tank.

Will this work on rubber?

Does it say it works on rubber? If it does then yes otherwise buyer beware. Please read shut the product uses and descriptions before asking this type of question.

Which is the best sealent for stopping leakage in sintex water tank

I ended up using gorilla glue, it was easy to apply and leaves a clear watertight seal. Remove the tank, drain it, wash it well with soap and water, dry it well, apply gorilla glue to the cracks and let dry, then water test before you reinstall the tank. Easy, clean and works great, has lasted over two years since I repaired.

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Permatex® Plastic Tank Repair Kit

Product ID: 4523503

Details

Brand
Permatex
Item Form
Liquid
Material
Plastic
Special Feature
Quick Curing
Specific Uses For Product
Fleet and

📸Photo-guided easy instructions

⏱️Cures in 30 minutes

🛠️Repairs cracks up to 4 inches

€ 33.90

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Description

🛠️ Fix it fast, fix it right — don’t let leaks slow your flow!

DURABLE PERMANENT - Engineered for a permanent, reliable repair that keeps your gear running
PRECISION REPAIR POWER - Seamlessly fixes cracks up to 4 inches and holes up to 0.375 inch
RAPID CURE LASTING FIX - Hardens in 8-10 minutes, fully cures in 30 for minimal downtime
USER FRIENDLY VISUAL GUIDE - Step-by-step photo instructions make pro-level repairs effortless
VERSATILE TANK COMPATIBILITY - Ideal for windshield washer, radiator overflow, coolant, water, and waste tanks

The Permatex® Plastic Tank Repair Kit is a professional-grade solution designed to permanently repair plastic tanks with cracks up to 4 inches and holes up to 0.375 inch. Featuring a quick-curing resin that hardens within 8-10 minutes and fully cures in 30, it includes easy-to-follow photo instructions for hassle-free application. Perfect for various automotive and powersports tanks (excluding fuel tanks), this kit ensures durable, long-lasting repairs that keep your equipment leak-free and ready to perform.

Specifications

ASIN	B0007TQWM4
Best Sellers Rank	#26,539 in Automotive ( See Top 100 in Automotive ) #4 in Powersports Gas Tanks
Brand	Permatex
Customer Reviews	4.0 4.0 out of 5 stars (482)
Date First Available	April 1, 2004
Exterior	Machined
Is Discontinued By Manufacturer	No
Item Weight	3.2 ounces
Item model number	9100
Manufacturer	Permatex
Manufacturer Part Number	PX09100
Model	09100
OEM Part Number	PX09100
Product Dimensions	2.6 x 4 x 8 inches
Special Features	Quick Curing Time, Easy to Use

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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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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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€ 33.90

Duties & taxes included

In stock

Sold byAmazon SpainDelivered 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 Spain.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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