The full name of PCR plastic is Post-Consumer Recycled material, post-consumer recycled plastic materials.
To put it simply, the recycling sources of these plastics must be used by consumers, such as: common CDs on the market,Water bottles, plastic bottles, electronic product components, home appliance casings, etc. If these recycled sources have not been used by consumers,
For example: factory waste (defective products produced when the factory injects products), it cannot be called PCR plastic.
PIR plastic materials, the full name is Post-Industrial Recycled material, post-industrial recycled plastic materials.
It is the defective products produced by the above-mentioned factory injection molding products, because they have not been used by consumers, so they can be broken immediately and regenerated into particles.