Tianjin Yadong Longxin Intermational Limited

Tianjin, China

• MOQ 100 Kilogram
• RedPowder

We offer Direct Red Dyes 23. DIRECT FAST SCARLET 23 Annual Output: 5, 000mt. Product features: 1. Medium red dye with high exhaust rate; 2. Good color fastness, suitable for high-temperature dyeing. Applaction: 1. Dyeing of cotton, viscose, polyestercotton, woolviscose and printing of pure silk; 2. Universally appropriate to dyeing writing paper and paperboard

• MOQ 500 Kilogram
• WhitePowder

We offer Acetyl J Acid (2-amino-5-naphthol-7-sulfonic acid). The dry of Acetyl J-Acid is grey powder, difficultly soluble in water. Easily soluble alkali-creating correspondence salt. The liquid of its’ sodium salt is blue fluorescence. It’s the chlorine compound of J acid is acicular yellow crystal, soluble in water, can be coupled to purple dyes by itself when in the sodium carbonate solution. Usage: J acid is one of the important dyestuff intermediates. It is used for production many dyes as the material, such as direct copper blue 151, direct scarlet 23, reactive Brown K3R, carbonyl-j-acid and Bis-J-Acid etc.

• MOQ 500 Kilogram
• WhitePowder

We offer Tobias Acid (2-amino-1-naphthalenesulfonic Acid). White crystal, melting point is 272℃. Difficultly soluble in water, good solubility in hot water. Easily soluble in alkali-creating correspondence sulfonate, then coupling to lithol scarlet with 2-naphthol. Usage: For dyestuff intermediates, J-Acid, Lithol Scarlet, Naphthol and Reactive Orange38, Red141, 196, 220, etc.

• MOQ 100 Kilogram
• BlackPowder

Direct Black Dyes 19 Annual Output: 10, 000mt. Product Features: 1. Good solubility and leveling property; 2. Excellent black dye with little discoloration in the after-treatment; 3. Applicable for pad dyeing and dye with hydrogen peroxide; 4. Medium color fastness; applicable under high temperature and pressure Applaction: 1. Dyeing of cotton, viscose, polyestercotton, woolviscose and printing of pure silk; 2. Dyeing of leather; 3. Dyeing of black writing paper, shoe paper board and corrugated paper, with high exhaust rate of dyeing and good light fastness