This standard specifies the method for measuring the number of tufts and/or loops per unit length and unit area of textile floor coverings with biles consisting of uniformly spaced tufts and/or loops.
JIS L 1021-5:2007 Referenced Document
JIS L 0105 General principles of physical testing methods for textiles
JIS L 0212-1 Glossary of textile terms (except clothes) -- Part 1: Textile floor coverings*, 2010-09-21 Update
JIS L 1021-1 Textile floor coverings -- Part 1: Selection and cutting of specimens for physical tests
JIS L 1021-5:2007 history
2007JIS L 1021-10:2007 Textile floor coverings -- Part 10: Determination of dimensional changes due to the effects of varied water and heat conditions
1999JIS L 1021:1999 Testing methods for construction of textile floor coverings
1992JIS L 1021:1992 Testing methods for construction of textile floor coverings