Li Zhigang, Yuan Yanhong & Zhao Zhonghua, Ningbo Jinglian Woolen Knitting Co., Ltd.
Cai Ying, Zhejiang Polytechnic University

Abstract: Cashmere products are often dyed with acid mordant dyes. The paper introduces the process of dyeing cashmere products with Mordant Black PV and the method for testing chromium content of cashmere products thus dyed, and it also analyzes the pollution to cashmere products caused by mordant in the dyeing process, which serve as the scientific basis for the research and development of eco-friendly cashmere products.
Key words: acid mordant dye; chromium; cashmere; dyeing.