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Which plastics do the recycling symbols refer to?

TWI Frequently asked questions

The recycling symbols appear on the majority of plastics products in particular packaging items such as carbonated drinks bottles and shampoo containers. The symbols aid easy identification of the constituent plastics for recycling:



1
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Polyethylene terephthalate or 'polyester' 2
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 High density polyethylene 3
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Polyvinyl chloride or vinyl 4
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 Low density polyethylene 5
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 Polypropylene 6
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 Polystyrene 7
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 Other (should be specified)