It s been an old standby for some people and can sometimes provide useful information.
Astm plastic sheet.
Cast methacrylate plastic sheets rods tubes and shapes and discontinued specification d1547 extruded acrylic plastic sheet.
One such test is the plastic sheet test astm d4263.
For specialty applications consult the appropriate use standards.
1 1 this test method covers the measurement of the transparency of plastic sheeting in terms of regular transmittance t r although generally applicable to any translucent or transparent material it is principally intended for use with nominally clear and colorless thin sheeting.
1 2 this specification is intended to cover acrylic sheet for general purpose applications.
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