Help in Glue and Repairing Polyethylene?

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Posted by bertman z6 CT (My Page) on

Fri, Oct 30, 09 at 11:05

I have a Polyethylene(I believe) Wheel barrow that I am rebuilding. It has a stress crack ( in the bottom pan 1/4 wide x 8 inches long) that has been opening steadily overtime on the front bolt area. I would like to keep it from expanding. I have called two adhesive companies and both said their product would not work, Bondo and System Three epoxy. That saved me a bit of grief so far! I am thinking of putting a few stitches in with some stainless coil/wire.
Now I would like to know what can really bond this together. Then perhaps add some door screening as a( fiberglass cloth substitute) method of strengthening the whole area. I know there is adhesive for this plastic plastic!
Thought I would pry some minds here for a sure fire method.
Would like not to repeat this chore!
Thanks All

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RE: Help in Glue and Repairing Polyethylene?

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Posted by archdiver 7a RI (My Page) on
Fri, Oct 30, 09 at 11:30

Your wheel barrow repair job is not unlike what a poly kayak owner may be faced with. The most common method of sealing separated seams or open cracks, is by heat-welding. It's done with a propane torch and poly "rods" to match the damaged material - similar to metal welding.

Scroll down to the bottom of the page at the link below to learn more about this.

Here is a link that might be useful: Heat welding Polyethylene

RE: Help in Glue and Repairing Polyethylene?

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Posted by rdaystrom 8 (My Page) on
Fri, Oct 30, 09 at 17:37

There is another alternative. Poly-Weld Adhesive from TAP. Finally an adhesive for polyethylene plastics. It requires a minor procedure called flame treating which is essentially just whisking the plastic to be repaired with a propane torch to prep the surface. I'd like to hear some reviews from guys who have used it

Here is a link that might be useful: Poly-Weld Adhesive fromTAP

RE: Help in Glue and Repairing Polyethylene?

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Posted by fruitjarfla (My Page) on
Sat, Oct 31, 09 at 8:25

bertman, your idea about screen is one that I would probably try, along with a good epoxy. However, I would use hardware cloth rather than plastic screening. Smallest hole hardware cloth you can find, perhaps 3" by 10," in a bed of epoxy and another coat of epoxy over the top of the cloth. You may need to pre-form the hardware cloth so that it fits the surface. And I would do it on the top and bottom of the tray.

RE: Help in Glue and Repairing Polyethylene?

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Posted by rdaystrom 8 (My Page) on
Tue, Nov 3, 09 at 20:01

Epoxy will fail on polyethylene in 5 minutes.

RE: Help in Glue and Repairing Polyethylene?

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Posted by fruitjarfla (My Page) on
Thu, Nov 5, 09 at 8:05

Here is a video showing the application of Mr Stickeys glue for poly.

Here is a link that might be useful: metacafe.com

RE: Help in Glue and Repairing Polyethylene?

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Posted by weed_cutter N E Florida (My Page) on
Thu, Nov 5, 09 at 8:53

I cut a piece of 3/4" plywood and sandwiched it between the frame and bucket. Wish I had thought of this before I threw in the fire log.

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