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What do the numbers inside the recycling symbol on plastic containers mean?

April 26, 2017containers Environment fact mean Numbers plastic recycling symbol

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What do the numbers inside the recycling symbol on plastic containers mean?

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The Society of the Plastics Industry developed a voluntary coding system for plastic containers to assist recyclers in sorting plastic containers. The symbol is imprinted on the bottom of plastic containers. The numerical code appears inside a three-sided triangular arrow. A guide to what the numbers mean is listed below. The most commonly recycled plastics are polyethylene terephthalate (PET) and high density polyethylene (HDPE).