Turn Plastic Pellets Into Thin Sheets

Once soft mold them into any shape you desire.

Turn plastic pellets into thin sheets. In a warehouse size room the pellets are melted pressed into a thin film and stretched into sheets that a thermoformer stamps into rigid. Wilkinson converts natureworks resin into packaging. Manufacturing process mold setup. The recycled pellets raw materials are mainly plastic waste agricultural greenhouse film convenient bag cement bag food packaging bag woven bag beverage bottle plastic basin plastic bucket toy sandal vehicle bumper household appliance shell etc.

Just heat the sheets with a heat gun or in hot water above 150 degrees f for 2 3 minutes until they turn from white to clear. If there are holes in the initial sheet you press fold it over and press the two sides tight together so they stick with no air between. A sheet of parchment paper makes a great surface to work on preventing sticking. With clean hands begin forming the pellets into your desired shape.

By adele peters 2 minute read. Thermoplastic sheets are easy to melt and shape into your creation just heat the sheets above 150 degrees f for 2 3 minutes until they turn from translucent to clear using a heat gun. Take care that the hot plastic doesn t stick to things you don t want it to such as certain plastics acrylic vinyl pvc polystyrene polyesters abs fingernail polish fabrics or metal. Small plastic pellets are melted and formed into a hollow tube called the parison or preform depending on the blow molding subtype.

The plastics industry creates 1 8 trillion pounds of carbon emissions every year but now one company has figured out a way to take the pollution and turn it into plastic you can hold in your hand. Precious plastic is giving instructions on how to build a series of simple machines that will let makers turn plastic trash into new material. Work on a smooth glass surface as the heated plastic won t stick to glass. Once they are molten you can mold them into any shape you desire.

Put the double thickness piece back into the hot water to warm up some and repeat the process until you get a fairly flat rectangular sheet of plastic. Then i melted the plastic into a thin block following the method shown in the previous steps and i flattened it with the router until it reached the thickness of 5mm photo 2. I drawed a quick spinning top made out of 3 pieces and i glued the template to the hdpe block.