Rapid Delivery for Acid Bright Red B - Offer Acid Nigrosine On Hot Sale –

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We have state-of-the-art equipment. Our products are exported for the USA, the UK and so on, enjoying a fantastic status among the clients for Acid Blue 40, Basic Violet 10, Acid Black M-Bgl, We sincerely hope to determine some satisfactory interactions with you in the in the vicinity of long term. We'll hold you informed of our progress and stay up for building steady small business relations along with you.

Rapid Delivery for Acid Bright 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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With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and development, we are going to build a prosperous future alongside one another with your esteemed enterprise for Rapid Delivery for Acid Bright Red B - Offer Acid Nigrosine On Hot Sale – , The product will supply to all over the world, such as: Singapore, Belgium, Canada, With a fully integrated operation system, our company has won a good fame for our high quality goods, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.

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The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.

By Edwina from Uruguay - 2017.07.07 13:00

The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.

By Charlotte from Jordan - 2017.06.19 13:51

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