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Originally Posted by Piotrsko
Plexiglass is a trademarked name of Dupont.
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Didn't it become some sort of genericized trademark?
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I believe you are describing acrylic sheet which comes in many subsets of density, toughness and flexibility.
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You're right. I was refering to acrylic sheets. And some clearly have a poor optical performance which renders them less desirable than actual glass, while others are OK for that matter.
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Lexan is another trademarked polycarbonate with many coatings applied to alleviate the inherent faults of the base product for a specific purpose.
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I remember Lexan sheets being used more often on racing cars for weight savings.
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Home building places stock a common house window glazing grade that tends to not see rock impacts
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Common house window glazing in my country is not so easily found on such grade.