Through adding a special crystal-growing controlling agent, a light rhombic shaped calcium carbonate is produced to be used for paper filling and colouring.
通过加入特定的晶形控制剂，制得了适合造纸填料及颜料使用的菱形轻质碳酸钙。
Through adding a special crystal-growing controlling agent, a light rhombic shaped calcium carbonate is produced to be used for paper filling and colouring.
通过加入特定的晶形控制剂，制得了适合造纸填料及颜料使用的菱形轻质碳酸钙。
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