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Direct Red

  • Direct Red 28
Direct Red 28

Direct Red 28

  • Product description: Direct Red 28/Direct Red 4BE
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Direct Red 28/Direct Red 4BE

  • C.I. 22120
  • CAS NO.: 573-58-0
  • Standard Strength: 100%
  • Formula Weight: 696.67
  • Molecular formula: C32H22N6Na2O6S2
  • Packing:25Kg/DR
  • Used for dyeing cotton, silk, wool etc


Physical and Chemical Properties

  • Appearance: Tan powder
  • Shade: Similar to standard
  • Strength: 100%
  • Insolubility: ≤2%
  • Moisture: ≤3%
  • Fineness(60 Mesh Sieve Residue):≤5%


Fastness

Light

Washing

Water

Crocking

Perspiration

Ironing

 

 

 

 

1-2

Bleaching

Staining

Bleaching

Staining

Dry

Wet

Bleaching

Staining

3-4

2

3-4

2

3-4

2-3

2-3

4

4-5



Application

Dyeing for Cotton and Viscose fiber  

Coloring for Wool, Silk, Paper and Biological



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