High Performance Direct Blue 151 Manufacturer Direct Copper Blue 2r Factory Dyes

• CAS No.: 110735-25-6
• Formula: C34h25n5na2o10s2
• Colour: Blue
• Appearance: Powder
• Usage: Paper, Leather, Textile, Cotton, Silk
• Application Material: Cotton, Silk
• Model NO.: DIRECT BLUE JDC-BLUE151
• Content: 100%
• Transport Package: 25kgs Carton Box
• Trademark: JADECHEM
• Origin: China
• HS Code: 3204140000
• Production Capacity: 10000mt/Year

Product Description

Product: Direct Blue 151, Direct Copper Blue 2R

Keep on supplying high performance direct dyes around 20 years with guarantee of Quality and Credit 

Appearance: Blue-black powder. Soluble in water for blue purple or purple solution, and adequate soluble in ethanol for red light purple. The strong sulfuric acid in blue or green for Tracy blu-ray, diluted for purple. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick red or purple sodium hydroxide solution for red wine. Cellulose fiber of dyeing, dye devoured rate is very good, temperature in 100 ºC, the largest affinity, discharge the gender is good. When dyeing with copper sulphate treatment can improve a resistance fastness, with formaldehyde treatment can improve washing fastness. Mainly used for cotton, linen, rayon and other cellulose fibers, rayon / brocade fabric dyeing, leather and paper pulp can also be used for coloring.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4-5	4-5	1-2	2		2-3
AATCC	3-4	4	2	2		3