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Technical Committee No TC01
Status Active
Category Chemical And Textile Sector
Sub Category

1.1 This test method covers the evaluation of specific light-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 hazemeter 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 be tested in accordance with Practice E2387. 1.2 The values stated in SI units are to be regarded as standard.

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