Question

how is
the Plastic glasses made?​

Answer 1

Answer:

Eyeglasses frames are typically made of either metal or a type of plastic called cellulose-acetate. cellulose acetate  is derived from cotton and is flexible and strong. It is produced in long narrow sheets that are slightly wider than eyeglass frames. The sheets are up to 3 ft (0.91 m) long and 0.33 in (0.83)cm thick.

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Answer 2

Answer:

Raw Materials

Eyeglasses frames are typically made of either metal or a type of plastic called cellulose-acetate. Cellulose acetate is derived from cotton and is flexible and strong. It is produced in long narrow sheets that are slightly wider than eyeglass frames.