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Gold Prospecting
Do It Yourself (DIY) Projects
Fibreglass riffle tray
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<blockquote data-quote="AtomRat" data-source="post: 297884" data-attributes="member: 3111"><p>Its only a low 180C temperature to fuse the plastic. I shred the bottles and pile it up on a tray in the oven with a big casserole pot full of water on top to add weight. Usually you have to fold and roll the plastic 3 times to get a nice even weld and the pot of water helps prevent bubbles as well. Heating hdpe up to 180 and squeezing it through a tube into a mold would work like injection molding but using an old jack or motor would be better</p></blockquote><p></p>
[QUOTE="AtomRat, post: 297884, member: 3111"] Its only a low 180C temperature to fuse the plastic. I shred the bottles and pile it up on a tray in the oven with a big casserole pot full of water on top to add weight. Usually you have to fold and roll the plastic 3 times to get a nice even weld and the pot of water helps prevent bubbles as well. Heating hdpe up to 180 and squeezing it through a tube into a mold would work like injection molding but using an old jack or motor would be better [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Fibreglass riffle tray
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