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United States Department of Agriculture

Agricultural Research Service

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Image Number D1069-1

Sugar beet pulp is mixed with melted polylactic acid and passed through a twin-screw extruder. This results in pastalike strands (the brownish solid tubes coming out of the front of the machine) of composite material, which are then cooled, chopped into pellets, and injection molded. 


Photo by Victoria Finkenstadt.

640 pixels wide: (d1069-1.jpg)

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Last Modified: 8/13/2016
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