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Compression moulding

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A metal plate presses the potato starch mixture into the mould. The mixture expands, like popcorn, and forms a foam-like material. Steam and excess potato starch mixture are forced out through vents in the mould.

This video is step 4 in the manufacturing process that produces 100% biodegradable serving and packaging products from potato starch.

Glossary

Rights: University of Waikato. All rghts reserved.
Published: 11 December 2008Updated: 3 March 2017
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