ASTM D7330-22 PDF Download

The title of ASTM D7330-22 is "Standard Test Method for Assessment of Surface Appearance Change in Pile Floor Coverings Using Standard Reference Scales." The purpose of this test method is to assess how actual or simulated foot traffic affects the surface look of pile floor coverings. It can be used with textile floor coverings that have undergone mechanical traffic simulation, laboratory floor-trafficked samples, or pile yarn floor coverings that have been installed. The use of reference scales based on digital photos of typical pile yarn floor covering designs and structures makes subjective assessment easier during the evaluation process.