Description
For textile applications, a standardised crocking cloth is most frequently employed as the abradant. The wire spring clip that holds this square (or occasionally round) cloth in place is wound around the acrylic crock’s “finger.” According to AATCC Method 8, the fabric must adhere to the following requirements:
| Fiber | 100% 10.3 – 16.8mm combed cotton staple, desized, bleached, with no optical brightener or finishing material present |
| Yarn | 15 tex (40/1 cotton count), 5.09 turns/cm “z |
| Thread Count | 32 +/-3 warp ends/cm: 33 +/-3 picks filling/cm |
| Weave | 1/1 plain |
| pH | 7 +/-0.5 |
| Mass/sq. meter | 113 +/-5g greige: 100 +/-3 g finished) |
| Whiteness | W = 80 +/-2 |




