标准编号：ISO 26723:2020
中文名称：塑料 总透光率和反射率的测定
英文名称：Plastics — Determination of total luminous transmittance and reflectance
发布日期：2020-04
标准范围
This document specifies the determination of total luminous transmittance and total luminous
reflectance on clear, translucent or opaque plastics. Specimen shapes include moulded plaque or discs, films and sheets.
Fluorescent plastics and chromatic colour plastics are not covered by this document.
NOTE The scope of ISO 13468-1 shows that ISO 13468-1 covers planar transparent and substantially
colourless plastics. The method in this document provide the way to trap diffused light and covers to measure translucent and opaque plastics.
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