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Cable tie - HDPE?

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Does anyone know if cable ties are made using HDPE? I am planning on repairing a kayak and thought I could zip tie some loose flaps together, and then melt them down into the repair itself. The damage is on the rear keel so I need to make sure the plastics will bond well. Thanks!

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Btw, I cannot access the hole and flap from the deck (no hatch and it is below the stern tankwell) so I cannot use aluminum tape or anything else to keep the flap from drooping into the hole during the heat application, hence the zip tie idea. I might be able to use wire and "sew" the flap in place in a few spots and then snip them off after the seams are welded...

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A small deck plate installed there would solve two issues. First being access, and the second being material to use for the plastic weld. No better HDPE to use for that than the yak material itself. It's very tricky to try to make this kind of weld with two materials that don't have the exact same melting temperature.

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Thanks Jim, no rom for a deck plate in this little yak that will allow me to get to the hole. I have some HDPE now and ordered some ss wire screen. Should be good now.

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FYI, Put a long screw, #4 or 6 into the flap and use that to hold it in place for heat welding. after it's welded, unscrew it and weld the hole.

 

Harbor freight has Plastic welding rods.

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