Abstract
The Textile Institute Carpet Testing Working Party reports that agreement between laboratories using the WIRA Dynamic Loading Machine is satisfactory and that the correlation between thickness loss during the test and that due to flattening in a busy corridor at Harrods was very high. Pooled results from several laboratories using the Tetrapod Walker (without step) showed good agreement with rankings for change of appearance in corridors, and the test is recommended for direct visual comparisons between carpets tested at the same time. The rankings for long-term durability by the Tetrapod Walker when used with the step did not correspond with the wear of a wide range of carpets in a corridor. Variation between laboratories using the WIRA Carpet-abrasion Tester was high (especially for carpets containing polyamide fibre) and the correlation with long-term wear in a corridor not satisfactory for carpets differing in construction and fibre type.
Published Version
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