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Direct Blue

  • Direct Blue 71
Direct Blue 71

Direct Blue 71

  • Product description: Direct Blue 71/Direct Fast Blue B2RL
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Direct Blue 71/Direct Fast Blue B2RL

  • C.I.Direct Blue 71
  • C.I.34140
  • CAS: 4399-55-7
  • Standard Strength: 100%
  • Molecular Formula: C40H23N7Na4O13S4
  • Formula Weight: 1029.87


Physical and Chemical Properties

  • Appearance: Bluish Gray powder
  • Shade: Similar to standard
  • Strength: 100%

Fastness

Light

Washing

Water

Acid   & Alkali

Bleaching

Staining

Bleaching

Staining

Acid

Alkali

5

2

--

2

--

4

4-5


Application

  • Dyeing for Viscose Fiber.
  • Dyeing and Printing for Vinylon Fibers, Cotton Fibers and Carpet.
  • Coloring for Paper, Soap and Leathers.

Packing

Packed in 25kgs Bag/Carton/Iron drum




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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

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