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Welding Dyneema X Gridstop?
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Home › Forums › Gear Forums › Make Your Own Gear › Welding Dyneema X Gridstop?
- This topic has 2 replies, 3 voices, and was last updated 7 years, 1 month ago by Colin Krusor.
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Dec 8, 2016 at 10:17 am #3439476
Folks,
In my ongoing search for ways to augment my MLD Core with side pockets, and perhaps a front stuff pocket, I came across this video:
Which discusses using DIY methods to achieve strong welded seams. I’m particularly interested in using Pellon EZ Steam adhesive on Dyneema Gridstop and 4-way (nylon/lycra) stretch material. Anyone done anything similar at all?
Thanks!
Jan 28, 2017 at 5:15 pm #3447539I am also looking into welding seams. I hope people with experience Chime in.
Jan 30, 2017 at 10:29 am #3447777I have some experience trying to weld pure dyneema fabrics in basically the same way as the video. If you try to weld Gridstop, the Dyneema threads will shrink imperceptibly and loose all of their strength. Dyneema gets its strength from very long polyethylene molecules packed together in parallel. When heated, even if there is no visible melting, those molecules curl up and their orientation becomes random inside the fiber and the strength disappears. So, welding with heat, in my experience, essentially removes the Dyneema from the heated zones around the seams, making the seams the weakest part of the pack.
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