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J-B Weld - Waterweld


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  • Model: 8277
  • Shipping Weight: 0.5lbs


J-B Weld - Waterweld

Part No. 8277


WATERWELD will plug or seal practically anything that leaks. It will patch holes and cracks, and mend almost anything that is broken. It is excellent for rebuilding or fabricating parts, and as an all-purpose adhesive for metals, wood, fiberglass, masonry, ceramics, PVC and ABS. Permanently repair holes, gouges, cuts ... even seals rot in fiberglass and wood. Cures under water. Safe for use on lines carrying potable water. We should really call this amazing product "The Miracle Welder," because you can use it to plug holes and make permanent repairs under water and in gas tanks -- while they're still leaking. No exaggeration -- this is the best epoxy putty you can use.

How does it work?

WATERWELD can be applied under water; surfaces to be repaired do not need to be clean and dry. WATERWELD putty "mushrooms" through and around holes, grabbing the edges to hold securely, then hardening for a permanent seal.

WATERWELD is approved by the National Sanitation Foundation for use with potable water (meaning you can drink safely from fresh water pipes or utinsels repaired with it).

How to use it:

Use WATERWELD as an adhesive, laminate, plug, filler, sealant, and electrical insulator. Packaged in a single cylinder, you simply cut off as much of the material as you need, twist and knead with your fingers until color is uniform with no streaks, apply immediately to surface to be repaired, and remove excess with soap.

WATERWELD can be formed, drilled, ground, tapped, machined, filled, sanded, and painted. It stays pliable for about 2 minutes after mixing, sets in just 20 minutes, and cures fully in just a few hours. It's water-proof; petroleum-, chemical-, and acid-resistent; resists shock, vibration, and extreme temperature fluctuations, and withstands temperatures up to 300° F. WATERWELD is super strong, non-toxic, and safe to use. Before it sets, you can clean up with soap and water.

What does it bond to?

Virtually any combination of iron, steel, copper, aluminum, brass, bronze, pewter, porcelain, ceramic, marble, glass, PVC & ABS, concrete, fiberglass, wood, fabric, paper -- just about any porous and non-porous material.


gas tanks
• water & fuel cans
• oil pans
• thread locking
• metal & plastic pipes
• ruptured radiators
• swimming pools & spas
• gutters & downspouts
• heating & A/C coils
• auto body repairs

Properties (psi):
Tensile Strength: 6,000 psi
Density: 15.8 lb/gal
Compression Strength: 12,000 psi
Shear Strength: 700 psi
Hardness: 65-75 psi
Resistant to: 300° F
Modulus of Elasticity: 6 x 105 psi

This product was added to our catalog on Monday 05 April, 2010.

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