Direct sun-resistant blue B2RL direct blue 71 Weiduofeng direct supply fiber dyeing leather soap dyeing
Category: Chemical energy
Commodity Address: No. 274, Houwang Village, Jiyang District, Jinan City, Shandong Province
Company name: Shandong Wei Duofeng Biotechnology Co., Ltd
Sun-resistant blue B2RL (CAS:4399-55-7) is used for dyeing and direct printing of cotton and viscose fabrics, resulting in red and dark blue. The dyeing rate is good, and the transfer and leveling properties are poor. After dyeing, the color light is slightly green after treatment with fixing agent or finishing by resin. Direct sun-resistant blue B2RL (CAS:4399-55-7) is also used for coloring leather, paper, and soap. It can also be used for dyeing silk and its fabrics, dyeing and printing of viscose and vinylon blends, and viscose blends with disperse dyes.
Company name：Shandong Wei Duofeng Biotechnology Co., Ltd
Company address：No. 274, Houwang Village, Jiyang District, Jinan City, Shandong Province