本发明属于橡胶领域，特别涉及用于橡胶的超细淀粉复合物粉末填充剂及其制备方法。

The present invention belongs to the field of rubber, specially it relates to a superfine starch composite powder filling agent for rubber and its preparation method.

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聚氨酯合成革生产中，为了降低成本，改善性能，经常在涂层浆中添加填充剂纤维素粉末等。

The materials, such as calcium carbonate, cellulose powder, are often used as additives in manufacture of polyurethane leather for reducing the cost and improving the properties of products.

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本品为极细白色粉末，该产品主要用作药品的填充剂、补钙剂等。

This product is very fine white powder. It is used as filling medium, calcium supplement for medicine.

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