Textile floor coverings — Determination of mass loss, fibre bind and stair nosing appearance change using the Lisson Tretrad machine

This document specifies four methods of test for textile floor coverings (with or without an underlay, see Clause 9) using the Lisson Tretrad machine.

— test A: determination of mass loss of textile floor coverings, also used to assess fibre bind of synthetic pile carpets;

— test B: determination of stair nosing appearance change of textile floor coverings;

— test C: determination of fibre bind on synthetic loop pile carpets;

— test D: determination of fibre bind (hairiness) on needled floor coverings and floor coverings without pile.