
Plastics - Determination of the total luminous transmittance of transparent materials - Part 1: Single-beam instrument (ISO/FDIS 13468-1:2019); German and English version prEN ISO 13468-1:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
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.