how to use JB Weld ClearWeld

Know-How Notes: How To Use JB Weld ClearWeld

Sometimes you need to make a repair that is clear. You wouldn’t want to fix an acrylic fish tank with black epoxy, you need a clear product like JB Weld ClearWeld. This quick-setting epoxy cures clear when applied less than 15 mil thick. It is the perfect solution for tile, ceramic, glass, wood, metal, and most plastics.

Oops! So your cool clear part broke? time to fix it with some ClearWeld.

Oops! So your cool clear part broke? time to fix it with some ClearWeld.

Like other epoxies, ClearWeld is a two-part component adhesive. It requires a 1:1 mix, which when dispensed through the syringe, comes out perfect every time. Once set, you have just under 5 minutes to apply and adjust the epoxy, and it cures fully in 1 hour, so repairs are quick and easy. With a strength of 4,400psi, ClearWeld provides a strong, lasting bond.

As with any repair, prep is the key to success. Start off by cleaning the parts to be repaired with a detergent or degreaser. Next, rough up the surfaces with a bit of 80-grit sandpaper. This gives the epoxy something to grab onto.

Using a piece 80-grit sandpaper, the bonding surface was sanded and wiped clean.

Using a piece 80-grit sandpaper, the bonding surface was sanded and wiped clean.

 

We <a href="https://www.napaonline.com/en/p/MMM09171?cid=social_blog_122017_ClearWeld" target="_blank" rel="noopener">taped</a> up the backside of the part, this allowed it to hinge

We taped up the backside of the part, this allowed it to hinge

 

The tape hinge keeps the part aligned for the repair process, so that it can't move around and end up offset.

The tape hinge keeps the part aligned for the repair process, so that it can’t move around and end up offset.

 

Dispense enough ClearWeld to make the repairs onto a mixing board or cardboard, and mix it up.

The ClearWeld syringe meters out the perfect amount of epoxy.

The ClearWeld syringe meters out the perfect amount of epoxy.

 

Mix the epoxy together until completely blended.

Mix the epoxy together until completely blended.

 

Apply the epoxy to the area being repaired. You can lay it down in an even layer, a weld bead shape, or as an extruded shape. Hold the parts together as necessary until the epoxy sets.

Add the epoxy to the repair, use enough to get the job done.

Add the epoxy to the repair, use enough to get the job done.

 

When the parts are pressed together, the excess with squeeze out. Wipe this off.

When the parts are pressed together, the excess with squeeze out. Wipe this off.

 

Allow the repair to rest for one hour until it is fully cured. When using ClearWeld below 40-degrees, it will take longer to cure.

Allow the part to cure for an hour, then it can be put back into service.

Allow the part to cure for an hour, then it can be put back into service.

Follow this guide and your repair will be a success and you can put the parts back into service.

Check out all the chemical products available on NAPA Online or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. For more information on JB Weld ClearWeld, chat with a knowledgeable expert at your local NAPA AUTO PARTS store.

about author

Jefferson Bryant

A life-long gearhead, Jefferson Bryant spends more time in the shop than anywhere else. His career began in the car audio industry as a shop manager, eventually working his way into a position at Rockford Fosgate as a product designer. In 2003, he began writing tech articles for magazines, and has been working as an automotive journalist ever since. His work has been featured in Car Craft, Hot Rod, Rod & Custom, Truckin’, Mopar Muscle, and many more. Jefferson has also written 4 books and produced countless videos. Jefferson operates Red Dirt Rodz, his personal garage studio, where all of his magazine articles and tech videos are produced.

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