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introduction to plastic recycling codes
Автор: Erland Stevens
Загружено: 2019-01-24
Просмотров: 431
Описание:
The different numbers in the recycling codes on the bottom of plastics indicate the type of plastic found in the product. These codes indicate how the material should be sorted and recycled. The different common polymers can all be classified as either addition or condensation polymers.
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