ISO/DIS 25188

Glass fibre — Determination of density

General information

Current stage: 40.99 Full report circulated: DIS approved for registration as FDIS Sep 14, 2026

Originator: ISO

Owner: ISO/TC 61/SC 13 Composites and reinforcement fibres

Type: International Standard

ICS: 59.100.10 Textile glass materials

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

IN_DEVELOPMENT
ISO/DIS 25188
40.99 Full report circulated: DIS approved for registration as FDIS
Sep 14, 2026