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China
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Commande minimale:
1 MT
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Personne àcontacter Ms. Jane
GongnongRoadNo.230, Shijiazhuang, Hebei
Purple-brown powder. Slightly soluble in water, soluble in sodium sulfide solution, was red-brown to dark brown Preparation Method: from p-aminophenol with 2, 4 - diaminotoluene to condensation, and then by oxidation of the closed-loop, multi-sodium sulfide, air oxidation, and then by filtering, drying, crushing and standards of treatment and obtained products. Purposes: for cotton, hemp, viscose fiber and fabric dyeing, dyeing and do a better of both. The goods mainly used for transfection together with a variety of red brown, often with the vulcanization Yellow Brown 5G, Sulfur Black BN as the three primary colors, go dye a variety of gray, camel, etc. Light brown color.
