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ISO/PRF 25188

Glass fibre — Determination of density

General information

50.20     Sep 30, 2026

ISO

ISO/TC 61/SC 13

International Standard

59.100.10  

Scope

This document specifies two methods for the determination of the density of glass fibre tested as a yarn:
—Method A: Gas pycnometer method;
—Method B: Liquid pycnometer method.

Life cycle

NOW

PROJECT
ISO/PRF 25188
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Sep 30, 2026

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