This test method covers the resistance to the formation of pills and other related surface changes on textile fabrics using the random tumble pilling tester.

Through the orthogonal test analysis of slub cashmere yarn, the main factors of influencing pilling are found, in order to improve anti-pilling quality of slub cashmere products.

Test samples required Pilling rating endoscopy, bollards, or similar box with the ball with the standard picture comparison rating.