Question

What are PET bottles ? Expand ? Where do we use them ? What are detergent bottles made of explain

Answer 1

Answer:

Bottles made of polyethylene terephthalate (PET, sometimes PETE) can be used to make lower grade products, such as carpets.[citation needed] To make a food grade plastic, the bottles need to be hydrolysed down to monomers, which are purified and then re-polymerised to make new PET. In many countries, PET plastics are coded with the resin identification code number "1" inside the universal recycling symbol, usually located on the bottom of the detergent bottles were also made of plastic.