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          The main products for the pigment blue 60, disperse blue 60, vat blue 4, disperse yellow 54 etc.

          Disperse blue337 (hue blue)
          Structural formula
          CI.NO. 11337
          Specification Disperse blue 337 is environmental cyan azo structural disperse dye with its color fastness to light is 6-7 grade, wash color fading and staining is 4-5 grade, perspiration 5 grade. It has excellent dyeing performance that is mainly used in deep color printing. Photo fragment extinction coefficient is 72,000.
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