![]() Of course, you should exercise caution when attempting anything like this, given the health risks present when heating up different types of plastic. The results are impressive, and experiments with different plastics as well. ![]() used an espresso tamper for this which was ideal. Apply some heat to the mat with the soldering iron then, after a few seconds, remove the iron and provide pressure with a flat object to bond the plastic. To protect the plastic from burning, a BBQ mat is used – they’re temperature resistant and usually made with a PTFE surface.įirst, place the two sheets of plastic face to face and sandwich top and bottom with the BBQ mat. A low wattage, straight-to-the-wall one does well, especially as they commonly have the washer-style end shown in the picture. To heat the plastic, a cheap soldering iron is recommended. Ok, so ‘spot welding’ might be a little optimistic given the speed of this process, but it’s useful nonetheless. Conventional glues can have a hard time, making it difficult to bond.Įnter, and a spot welding solution for joining HDPE with ease. It’s easy to cut, but not so easy to join. However, when it comes to actually manipulating the HDPE plastic they’re made from, there’s often a challenge. ![]() Convenient and flexible, but strong at the same time and usually free, they’re the ultimate source of material in a pinch. Plastic milk bottles, when your project or prototype needs an urgent source of plastic, they are often the first thing to hand.
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