Factory directly supply Optical Brightening Agent - Nigrosine Black Granular – LEADING
Factory directly supply Optical Brightening Agent - Nigrosine Black Granular – LEADING Detail:
Specification |
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Product Name |
Nigrosine Black Granular |
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C.I.No. |
Acid Black 2 (50420) |
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Appearance |
Black Shining Granular |
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Shade |
Similar to Standard |
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Strength |
100 % |
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Moisture (%) |
≤6 |
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Ash (%) |
≤1.7 |
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Fastness |
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Light |
5~6 |
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Soaping |
4~5 |
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Rubbing | Dry |
5 |
Wet |
- |
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Packing |
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25KG P.W. Bag / Iron Drum |
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Application |
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1.Mainly used for dyeing on leather 2.Also be used for dyeing of paper, wood, soap and wool |
Product detail pictures:

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It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for Factory directly supply Optical Brightening Agent - Nigrosine Black Granular – LEADING , The product will supply to all over the world, such as: Qatar, Venezuela, Argentina, we always keep our credit and mutual benefit to our client, insist our high quality service to moving our clients. always welcome the our friends and clients to come and visit our company and guid our business, if you are interested in our products, you can also submit your purchase information online, and we will contact you immediately, we keep our highly sincere cooperation and wish everything in your side are all well.

The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.

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