The excellent conditions of multiple-functional tanning agent-MTA used in the retanning of the soft cattlehiole upper leather have been studied by the official test.

• 本研究通过正交优化试验确定了MTA用于牛软鞋面革复鞣的最佳工艺条件，并配合其它鞣剂在制革厂进行了扩大试验和生产性中试实验。