Transparent plastic refractive index test methods

Transparent plastic refractive index test methods are described in ASTM D0542 (ISO 489), Index of Refraction of Transparent Organic Plastics. Test methods for transmission through clear plastic sheet are described in ASTM D1746, Regular Transparency of Clear Sheet, Ratio of Undiffused Transmission Flux to Incident Flux. Specular transmission is a property of transparent plastic sheet to show clearly a relatively distant object. ASTM D1044 is entitled Resistance of Transparent Plastics to Surface Abrasion. ... [Pg.55]

FIGURE 3.85 Test for index of refraction of transparent plastics. Refractive index=real depth (measured with vernier)/apparent depth (D2—Di). Standard test method ASTM D542, ISO R489. [Pg.369]

Index of Refraction of Transparent Organic Plastics. Primary Film Test Method ASTM D542 Additional Test Method ISO 489. The... [Pg.7]

ASTM D542 (1995). Standard test method for index of refraction of transparent organic-plastics. [Pg.657]

ASTM D542 Standard Test Method for Index of Refiac-tion of Transparent Organic Plastics. Used to measure the index of refraction of transparent organic plastic materials through use of arefiactometer. D542 requires optically homogeneous specimens of uniform refractive index. This test method and ISO 489 are technically equivalent. [Pg.185]

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