What are the different types of plastic? There are 7 types of plastic categories. They are... 1. PET - Polyethylene terephthalate 2. HDPE - High-density polyethylene 3. PVC - Polyvinyl chloride 4. LDPE - Low-density polyethylene 5. PP - Polypropylene 6. PS - Polystyrene 7. Other Learning about each one tells us which are recyclable and which ones aren't. By learning about these plastic categories and what plastic is made out of - we can know which plastic we can use for future product.
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