1. What is the coding system used to help consumers identify the type of plastic a container is made from

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01-05-2018
Biology

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1. What is the coding system used to help consumers identify the type of plastic a container is made from

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Bistai Bistai · Answer 1 · 2018-05-11T01:19:57+02:00

Resin identification coding system

Resin identification coding system is introduced as a means of helping consumers and recyclers to identify the type of plastic resin from which a bottle or a container is produced from. Manufacturers follow the coding system by placing a number or SPI code on each plastic product and the code are usually molded into the base of the products. For example, plastics marked with an SPI Code of 1 are made with polyethylene terephthalate (PET).