1 Sorting and Shaving

After chrome tanning it is common to allow excess chrome liquor to drain off the wet-blue,and to stand them in a damp condition for a day or more. Further fixation of chrome and setting of the wet-blue fibers occur. Where a flat leather is required,the we ......(本文共 11336 字, 3 张图)     [阅读本文]>>



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