Will it bind to plastic? The top of my fuel pump housing has a small chip, and its now leaking fumes. How well will this patch up the plastic housing?

I used this to seal a hole chewed (by a squirrel) in the top of my Craftsman snowblower fuel tank. It bonded to the plastic tank and sealed it completely.

Can i use this on a pressured gas line?

I would not recommend this due to safety reasons. Best to change the line with an approved replacement.

Does the gas tank have to be completely empty and dry? I have a tiny hole in the bottom of a metal gas tank.

For best results you want to make sure the gas tank is totally empty and totally dry so that the epoxy can adhere to the metal if it's wet it won't adhere to it well at all

Will a magnet stick to the cured epoxy?

Was very easy to attach in place but nemember to scratch surface to bare metal, then it stck very well, stay in place and seal the hole. Very easy to use, I like it.

8217 Tankweld Gas Tank Repair 1 Oz Dark Grey

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

🛠️ Fix it once, fix it right — TankWeld seals the deal!

VERSATILE MACHINABLE - Once cured, drill, tap, file, or paint it—perfect for professional-grade metal restoration.
PROUDLY MADE IN THE USA - Trusted quality and reliability from a brand with decades of proven performance.
RAPID METAL REPAIR POWER - Fix gas tanks and radiators fast with a 5-minute set time and full cure in just 1 hour.
WEATHER CHEMICAL RESISTANT - Waterproof and chemical resistant, designed to endure up to 300ºF without rusting or degrading.
UNMATCHED STRENGTH DURABILITY - Steel-reinforced formula delivers a robust 900 PSI tensile strength that stands up to tough conditions.

J-B Weld 8217 TankWeld is a hand-mixable, steel-reinforced epoxy putty designed for quick, durable repairs on metal surfaces like gas tanks and radiators. It sets in 5 minutes, fully cures in 1 hour with a tensile strength of 900 PSI, and withstands temperatures up to 300ºF. Once cured, it can be machined or painted, offering a versatile, water- and chemical-resistant solution proudly made in the USA.

Specifications

ASIN	B00R2CDUWE
Brand	J-B Weld
Brand Name	J-B Weld
Color	Dark Grey
Compatible Material	Metal
Container Type	Can
Customer Reviews	4.5 out of 5 stars 2,214 Reviews
Full Cure Time	60 Minutes
Global Trade Identification Number	00043425082176
Included Components	J-B Weld 8217 TankWeld Gas Tank Repair - 1 oz.
Item Form	Putty
Item Package Quantity	1
Item Type Name	J-B Weld 8217 TankWeld Gas Tank Repair - 1 oz.
Item Weight	45 Grams
Manufacturer	JBWeld
Material	Plastic
Material Type	Plastic
Model	8217
Other Special Features of the Product	Steel reinforced, Chemical resistant, NSF certified, Potable water safe
Part Number	8217
Special Feature	Steel reinforced, Chemical resistant, NSF certified, Potable water safe
Specific Uses For Product	Fuel tanks, Metal radiators, Metal fuel or chemical tanks, Metal housings, Stripped threads, Wall Repair Specific Uses For Product Fuel tanks, Metal radiators, Metal fuel or chemical tanks, Metal housings, Stripped threads, Wall Repair See more
Tensile Strength	900 Pounds Per Square Inch
UPC	043425082176
Unit Count	57 Grams
Viscosity Level	High
Volume	1 Fluid Ounces
Warranty Description	as listed
Water Resistance Level	Water Resistant

Reviews

P**L

26.04.2026

J**F

14.04.2026

R**Y

22.04.2026

W**M

15.06.2025

P**R

6.12.2025

G**.

12.04.2026

D**F

18.01.2026

Y**A

25.02.2026

J**N

20.09.2025

D**Y

12.03.2026

K**R

21.03.2024

H**R

7.09.2025

R**O

27.04.2026

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8217 TankWeld Gas Tank Repair - 1 oz.,Dark Grey

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