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ISO 26723:2020

Plastics — Determination of total luminous transmittance and reflectance

Apr 15, 2020

General information

90.92     Nov 19, 2025

ISO

ISO/TC 61/SC 5

International Standard

83.080.01  

English  

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Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 26723:2020
90.92 Standard to be revised
Nov 19, 2025

REVISED BY

IN_DEVELOPMENT
ISO/DIS 26723