PriceList for Direct Black 38 – Manufacurer of Direct Copper Blue 2B –

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Our mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, world-class manufacturing, and service capabilities for Acid Blue 4r, Weak Acid Dye, Acid Blue 2r, We are always looking forward to forming successful business relationships with new clients around the world.

PriceList for Direct Black 38 – Manufacurer of Direct Copper Blue 2B – Detail:

Chemical properties:It is soluble in water as blue purple solution, and easily soluble in alcohol as red purple. It is emerald blue in case of concentrated sulfuric acid and purple after dilution. The aqueous solution is purple precipitated with concentrated hydrochloric acid, and the concentrated sodium hydroxide solution is red purple to wine red. For cellulose fiber dyeing, the dye absorption is very good, and the affinity * is at 100 ℃. Good discharge.

Application:It is mainly used for dyeing cellulose fibers such as cotton, hemp and viscose, viscose / nylon blended fabrics, leather and paper. After treatment with copper sulfate during dyeing, the light fastness can be improved. After treatment with formaldehyde, its washing fastness can be improved. Direct copper salt blue m has been developed to replace NW acid with L acid, and its color light is slightly darker than that of direct copper salt blue 2R.
Quality guarantee period: 24 months.
Packing: 25kgs iron drum.
Storage:Store in a cool and ventilated room and prevent moisture and heat.

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We insist on offering premium quality creation with very good company concept, honest product sales along with the finest and fast assistance. it will bring you not only the premium quality item and huge profit, but the most significant is to occupy the endless market for PriceList for Direct Black 38 – Manufacurer of Direct Copper Blue 2B – , The product will supply to all over the world, such as: Brazil, Albania, Suriname, We hope we can establish long-term cooperation with all of the customers, and hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need to have!Welcome all customers both at home and abroad to visit our factory. We hope to have win-win business relationships with you, and create a better tomorrow.

Direct Black 38