【Scope of application】 YG(B)502 fabric pilling tester is used to test the pilling performance of various woven fabrics and woven fabrics. 【Related standards】 GB/T4802.1-1997, DIN 53863.2 【Test Mode】 According to the specified method and experimental parameters, use nylon brush or single-use abrasive to make the fabric friction and pilling. Then, under the specified light conditions, compare the pilling sample to the sample to evaluate the pilling level.