Textile floor coverings. Production of changes in appearance by means of Vettermann drum tester
Textile floor coverings. Production of changes in appearance by means of Vettermann drum tester
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1 Scope This document specifies requirements for procedures that use the mechanical action of a Vettermann drum tester to produce changes in appearance (surface, structure and colour) to all types of textile floor coverings. It does not include pilling or colour changes due to other actions. NOTE Changes produced by these drum tester are assessed in accordance with the applicable assessment standards.
Другие стандарты BS