Auramine O

Appearance: yellow uniform powder Strength, % :100±3 standard Shade: similar to standard Water-insoluble Impurities:1.5% MAX Moisture Content: 3.5% MAX. Fineness (the sieving residue, 80 mesh): 5% MAX. Uses: can be used in the dyeing of acrylic fibres, silk and cotton fiber; also applied in the dyeing of leather, paper, hemp and viscose; also used in the direct printing and blotch discharge printing of tannin mordant dyed cotton, and also used to produce colour lake and used in inks, etc.