2022 Latest Design Acid Cobalt Blue 6b - Offer Acid Nigrosine On Hot Sale –

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To get the stage of realizing dreams of our employees! To build a happier, more united and much more skilled crew! To reach a mutual benefit of our prospects, suppliers, the society and ourselves for Basic Yellow 2, Metal Complex Dye, Acid Fast Navy Blue Sg, We've been prepared to cooperate with company friends from at your home and overseas and produce a wonderful future with each other.

2022 Latest Design Acid Cobalt Blue 6b - Offer Acid Nigrosine On Hot Sale – Detail:

Color

Shade

Product

Name

Content

Dyeing Depth
（%o.w.f）

Fastness Properties(Change of Shade)

Light

Washing
40℃

Hot Pressing

180℃

Perspiration

Rubbing

(Dry)

Rubbing

(Wet)

Acid Nigrosine

100%

4.0

4-5

3-4

2-3

Synonyms: C.I. Acid Black 2; Nigrosine; C.I. 50420; Nigrosin water soluble; nigrosin cell culture tested; Nigrosin Acid black; Acid Black 5 (50420); Nigrosin; Nigrosine Water Soluble
Property of Acid Nigrosine:
Appearance: black shining crystal.
Maximum wavelength(λmax): 570nm

Soluble in water is blue purple.Soluble in ethanol is blue.The dye is blue in concentrated sulfuric acid.It will be purple when diluted and precipitated.The precipitate is dark purple when sodium hydroxide is added in water solution.

Application:It is mainly used for leather dyeing (generally by chrome mordant). It is also suitable for dyeing paper, wood, soap, electrochemized aluminum and wool and silk fabrics and also can be used for ink making.

Specifications:

Item	Description
Name	Acid Nigrosine
Color Index No.	C.I.Acid Black 2
Chemical Family	Acid dyes
Apearance	Black crystal with lustre
Shade	similar to standard
Tinting strength	100+/-3
Moisture	6% max.
Ash	1.7% max.
Insoluble matter	0.5% max.

Storage:store in a cool and ventilated room.
Quality guarantee period: 36 months.
Packing: 25kgs iron drum/paper carton.

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We purpose to understand high quality disfigurement with the output and supply the top service to domestic and overseas buyers wholeheartedly for 2022 Latest Design Acid Cobalt Blue 6b - Offer Acid Nigrosine On Hot Sale – , The product will supply to all over the world, such as: Liverpool, Dubai, Seychelles, We believe with our consistently excellent service you can get the best performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.

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This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!