Solubilised Sulphur Blue 7 for Cotton, Hemp, Viscose Fabric

Min.Order: 40

Product origin: Hangzhou, Zhejiang, China

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US$ 3.97 ~ 4.12

Description

Product Name:Sulphur Blue 7(Sulphur Blue BRN)
C.I. No.: 53441
CAS No.: 1332-88-3
Molecular Formula: --
Molecular Weight: --

Shade: Red light blue to blue light purple.

Relative name:Solubilised Sulphur Blue B;Solubilised Sulphur Blue BRN;

Sulphur Blue 7 Physical Properties and light fastness.

Sulphur Blue 7(ISO)
Acid Resistance	4
Alkali Resistance	4-5
Light Fastness	4-5
Fulling	3-4(Alkali)
Persperation Fastness	4-5
Soaping(Moderate)	4
Soaping(Severe)	3

Properties:
Blue powder. In the water have certain solubility. In concentrated sulfuric acid to dark purple, and Sulfur dioxide escaping, dilute precipitate; In the Sodium hydroxide solution for blue; In the Sodium sulfide solution for the faint blue or olive. Dyeing content in alkaline insurance powder solution for the pale yellow light olive, after oxidation can restore the original colour and lustre; In Sodium hypochlorite solution completely fade. Available insurance powder dyeing.

Applications:
Mainly used for cotton, hemp, viscose fabric dyeing, and can also be used to top and viscose fiber protoplasmic coloring. Sometimes also used in leather and paper dyeing.

Package, 25KG/DRUM, CARTON BOX, BAG

Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.

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