It is used as a filler in paper, leather, and linoleum.

它还被使用于一个填料在纸，皮革，油布。

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Especially black filler , Especially use in slap-up leather, such as calf-skin , sticky leather and so on.

特黑亮型填充剂，主要适用于高档小牛皮，中牛皮，修面皮。

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