Welcome: Hebei Dekuo Biotechnology Co., Ltd
Language: Chinese ∷  English

Direct Red

  • Direct Red 31
Direct Red 31

Direct Red 31

  • Product description: Direct Red 31 / Direct Pink 12B
  • INQUIRY

Direct Red 31 / Direct Pink 12B

  • C.I. 29100
  • CAS NO.: 5001-72-9
  • Molecular formula: C32H21N5Na2O8S2
  • Standard Strength: 100%
  • Formula Weight: 713.64
  • Packing：25Kg/DR
  • Used for dyeing silk, wool etc


Physical and Chemical Properties

  • Appearance: Red brown powder
  • Shade: Similar to standard
  • Strength: 100%
  • Insolubility: ≤4%
  • Moisture: ≤1%
  • Fineness(80 Mesh Sieve Residue):≤5%

Fastness

Light

Washing

Water

Crocking

Perspiration

 

2

Bleaching

Staining

Bleaching

Staining

Dry

Wet

Bleaching

Staining

3

2

3  

1

4

2

3-4

2



Application

  • Dyeing for Cotton and Viscose fiber
  • Coloring for Silk, Paper and Polyamide













 

PREVIOUS：Direct Red 23 NEXT：Direct Yellow 11

RELATED PRODUCTS

Direct Red 28

Direct Red 28

Direct Red 23

Direct Red 23

LATEST NEWS

CONTACT US

Contact: Iris

Phone: +86-311-85235829

Tel: +86-311-85235829

Email: iris@chemicals-biology.com

Add: No.508 Zhongshan East Road,Chang'An District,Shijiazhuang,Hebei,China

关闭
QQ在线客服Manager
SKYPE在线客服 Manager
close
Scan the qr codeClose
the qr code