ASTM D6540-17 Standard Test Method for Accelerated Soiling of Pile Yarn Floor Covering

ASTM D6540-17 Standard Test Method for Accelerated Soiling of Pile Yarn Floor Covering This test methoddescribes the equipment,and the test methodfor assessing the propensity of pile yarn floor coveringsto soilingin the absence of abrasive wear and texture changes,using a stand...