ASTM D1003 Test Method for Haze and Luminous Transmittance of Transparent Plastics

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This test method covers the evaluation of specificlight-transmitting and wide-angle-light-scattering properties of planar sections of materials such as essentially transparent plastic. Two procedures are provided for the measurement of luminous transmittance and haze. Procedure A uses a haze meter as described in Section 5 and Procedure B uses a spectrophotometer as described in Section 8. Material having a haze value greater than 30 % is considered diffusing and should betested in accordance with Practice E2387.