男啪女色黄无遮挡免费视频_韩国一级毛片在线观看_男人在线影院_国产精品天天操

Product Categories

Product Categories >> Reactive Dyes

Wool reactive dyes

Recommend dyeing process:

A: Levelling agent WL: 1-2%   Acetic Acid: 0.5-4%   Ammonium sulphate x% PH=3.5-4.5

B: Wool Reactive Dye: y%

C: Ammonia Water or sodium carbonate (4-8%) PH=8.5-9