结果表明：SAB复鞣剂具有一定的填充作用，与染料、油脂的协同作用好；
The results show that the retanning agent SAB can fill leather to a certain degree, has good synergistic effect with dyestuff and oil.
结果表明：SAB复鞣剂具有一定的填充作用，与染料、油脂的协同作用好；
The results show that the retanning agent SAB can fill leather to a certain degree, has good synergistic effect with dyestuff and oil.
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