The brown pigments are major part of coloring materials for food.
棕色色素是食品着色物的重要部分之一。
The technical flow about coloring chocolate up brass's surface, elements of coloring and methods of coloring and the influence on color about the proportion of materials are discussed.
讨论了黄铜表面着巧克力色的工艺流程、着色原理、着色方法及药液配比对颜色的影响。
Main products: special dye inkjet colorants, textile coloring dyes, colored dyes special high-grade paper, plastics, dyes and other dyes and polymer materials.
染料化学部-喷墨打印专用染料色浆、纺织着色染料、高档纸张专用着色染料、塑胶染料及高分子材料染料等。
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