ASTM D4685/D4685M-15

1.1 This test method covers the determination of the abrasion of pile fabrics when the loss of pile tuffs occur, sometimes called pile retention or pile pull out. It includes two procedures:

1.1.1 Procedure A-The “Heavy Duty” procedure describes the test option for fabrics over 240 g/m² (7 oz/yd²) or fabrics which should meet heavy duty end-use conditions of wear.