Pilling Grade | Description |
5 | No change. |
4 | Slight surface fuzzing and formed pills |
3 | Moderate surface fuzzing and moderate pilling. Pills of varying size density partially cover the specimen surface. |
2 | Distinct surface fuzzing and or distinct pilling. Pills of varying size density partially cover a large portion of the specimen surface. |
1 | Dense surface fuzzing and severe pilling. No change. Pills of varying size density partially cover a large portion of the specimen. |