Substitute for hypochlorite bleach

Brief introduction

Denim bleaching of indigo-dyed garments as a substitute for hypochlorite bleach.
Less damage to fibers and protect the strength of the fabric, especially the elastic fabrics.
Less batch difference in decolorization effect.
Halogen-free and free of heavy metals.

Properties
           Physical form              white powder
           Composition               mixture of organic and inorganic substances
           PH(1% aqueous solution)     2-3
      Solubility                  easily dilute with cold or warm water

Applications
Process and Recipe:
       SFH                   1.5-3g/L
       NaCl                   10-15g/L
       Temperature            50°C
       Time                  10-30mins
       Liquid Ratio             1:10-20       
Then neutralization with 1-2 g / L Sodium Thiosulfate and washing
 
Storage
Package: 25KG/bag.
Keep in a cool place at about 5-40°C for at least 12 months shelf life.