which type of plastic is used to make spectacle lenses
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Heya mate!
Glass is much more scratch resistant than plastic, making the glasses last longer. ... Glass lenses generally have a higher index than plastic lenses, making them slightly thinner and more attractive looking.
Cellulose acetate is used to make spectacle lenses.Thermoplastics
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kalpanayadav504:
opt are thermoplastic and thermosetting plastic
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