Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation for polyols by Raman spectrometric method
NORMA vydaná dňa 14.10.2026
Označenie normy: ISO 24862:2026
Dátum vydania normy: 14.10.2026
Počet strán: 19
Približná hmotnosť: 57 g (0.13 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: This document specifies a method to measure the total unsaturation of polyether polyols used in the production of polyurethanes by a Raman spectrometric method. It is not applicable to unsaturated compounds that are conjugated with a carbonyl group, a carboxyl group, or a nitrile group.