分析了单独使用一种染料及两种染料配合使用时调色的变化规律。
The change of the shade caused by using single dye and the combination of two dyes was discussed.
采用直接染料紫罗兰和蓝色混合，摸索最佳调色工艺，指导生产，提高纸的白度。
Mixing direct dye pansy with blue, fishing out the optimal technology of mixing colors. Guiding production and increasing the brightness of paper.
我们主要生产的酸性染料可适用于水性墨水、喷墨、食品调色、化妆品、饲料农药、纺织品、丝绸、涂料等材料上。
Professional dyestuff produced by us can be used in different materials, such as water ink, jet, food additive, cosmetic, feedstuff, textile, silk, dope, etc.
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