Investigating Plastic Degradation due to Sunlight Essay

Investigating Plastic Degradation due to Sunlight Essay

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All plastic types fall under a code no, known as an SPI code (as devised by The Society of the Plastics Industry), based on their chemical composition. As some plastics are more easy to recycle than others.
Polyethylene Terephthalate ( PETE or PET) it is the most commonly recycled plastic.
High-Density Polyethylene, or HDPE. HDPE products are very safe and they are not known to transmit any chemicals into foods or drinks.
Plastic labeled with an SPI code of 3 is made with Polyvinyl Chloride, or PVC. PVC is not often recycled and it can be harmful if ingested.
Low-Density Polyethylene, or LDPE. LDPE is not commonly recycled, but it is recyclable in certain areas.
Polypropylene, or PP. PP is not commonly recycled, but it is recyclable.
Polystyrene, also known as PS and most commonly known as Styrofoam. It is commonly recycled, but it is difficult to do so and often ends up in landfills anyway.
Miscellaneous - Polycarbonate and Polylactide are included in this category. These types of plastics are difficult to recycle.
If consumers understand the numbering ...

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