This standard applies to changes in the overall appearance of textile floor coverings caused by the Betterman drum tester and hexapod tumbler tester or by other suitable methods in accordance with the provisions of JIS L 1021-12. Specifies the evaluation method for overall appearance changes.
JIS L 1021-13:2007 Referenced Document
JIS L 0212-1:1999 Glossary of textile terms (except clothes) -- Part 1: Textile floor coverings