本文件包括使用带有指定CIE标准光源和光电探测器的单光束光度计，在光谱可见区域测定平面透明和基本无色塑料的总光透射率。本文件不适用于含有荧光材料的塑料。 本文件适用于厚度不超过10 mm的透明模塑材料、薄膜和薄板。交叉引用:ISO 11664-2IEC 60050-845ISO 5725-2ISO 5725-3ISO 11664-1ISO 291ISO 5725-1IEC 60050- 845购买本文件时可获得的所有现行修订均包含在购买本文件中。

This document covers the determination of the total luminous transmittance, in the visible region of the spectrum, of planar transparent and substantially colourless plastics, using a single-beam photometer with a specified CIE Standard light source and photodetector. This document cannot be used for plastics which contain fluorescent materials. This document is applicable to transparent moulding materials, films and sheets not exceeding 10 mm in thickness.Cross References:ISO 11664-2IEC 60050-845ISO 5725-2ISO 5725-3ISO 11664-1ISO 291ISO 5725-1IEC 60050-845All current amendments available at time of purchase are included with the purchase of this document.