Heilongjiang caustic soda manufacturer/Jiamusi large supply of caustic soda/Northeast caustic soda market
Agricultural ammonium chloride. /> Granular soda sample - ' ', Use of caustic soda in printing and dyeing: mainly used for indigo dyes and quinone dyes . During the dyeing process of vat dyes, caustic soda solution and insurance powder are used to reduce them to leuco acid. After dyeing, they are oxidized to their original insoluble state with oxidants. After cotton fabrics are treated with caustic soda solution, wax, grease, starch and other substances covering the cotton fabrics can be removed. At the same time, the mercerized color of the fabrics can be increased, making the dyeing more uniform.
Heilongjiang 99% caustic soda manufacturer/Jiamusi supplies large quantities of 96% caustic soda/Northeast caustic soda market