EN ISO 12951:2015

European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling and selection of test specimens
7 Atmosphere for conditioning and testing
8 Calibration of the apparatus
9 Procedure
10 Calculation and expression of results
11 Test Report

ISO 12951:2015 specifies four methods of test of 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.