If you flip your plastic container upside down, there is a number with the typical recycling symbol. These numbers were established from 1988 from the Society of the Plastics Industry (SPI) that ranges from 1 to 7, and they represent the type of plastic resin ID. This information has been adopted globally in order for recyclers to properly separate each type.
- PETE Polyethylene Terephthalate
- HDPE High density Polyethylene
- PVC Polyvinyl Chloride
- LDPE Low density Polyethylene
- PP Polypropylene
- PS Polystyrene
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