3 Neutralizing

所屬欄目:制革專(zhuān)業(yè)英語(yǔ)

3 Neutralizing

Wet-blue is acid and develops acidity on standing. Under acid conditions the leather protein is cationic and this is further accentuated by the mineral retannage. Consequently negatively charged colloids,such as vegetable tans,amino-resins,dystuffs,fatliq ......(本文共 8540 字 , 6 張圖)     [閱讀本文] >>


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