Popular Design for Acid Red B - Offer Acid Nigrosine On Hot Sale –

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Our company promises all users of the first-class products and the most satisfying post-sale service. We warmly welcome our regular and new customers to join us for Acid Yellow 3r, Plast Red 3010, Acid Blue 4rl, Our tenet is clear all the time: to deliver high quality product at competitive price to customers around the world. We welcome potential buyers to contact us for OEM and ODM orders.

Popular Design for Acid Red B - 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 are experienced manufacturer. Wining the majority of the crucial certifications of its market for Popular Design for Acid Red B - Offer Acid Nigrosine On Hot Sale – , The product will supply to all over the world, such as: Ecuador, Jakarta, Uganda, Adhering to the management tenet of "Managing Sincerely, Winning by Quality", we try our best to provide excellent products and service to our clients. We look forward to making progress together with domestic and international clients.

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The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.