Production off bioplastics.

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How are bioplastics made?

Starch is extracted from residual waste from, for example, the potato industry. This starch is used to make bioplastic granulate. 
Granules are small granules of about 4 mm in size. in the example of Fibernyl, starch and vibers and some biological additives are used to make granulate. 
We process this granulate into sheets with a large extrusion machine. This is done by heating the granulate and pressing it through an extrusion nozzle via a worm screw. 
Then the sheets is straightened by rolling to get it nice and smooth and at the right thickness. The roller can have a pinseal structure in order to transfer this structure to the sheet while it is still hot. 
Finally, the sheets are cut to size and neatly stacked on pallets and sealed. A major advantage of bioplastics is that the production temperature is much lower than for the production of fossil plastics. 
This saves energy and CO2.