Building Materials
Acrylic sheets

Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
Are generally unaffected by most household detergents
All of these
Possess the light transmission rate of 93%

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Building Materials
The thermosetting plastic

Chars at 343°C
At 127°C to 177°C permanently set and further application of heat does not soften it
All listed here
Becomes rigid when moulded at suitable pressure and temperature

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