At present, trivalent chromium electroplating process has became one of the mostimportant techniques to taking place of the seriously pollutional hexvalent chromiumelectroplating process.
When the metal coating is punctured or scratched, the capsules in the damaged area burst and ooze restorative liquids, in the form of compounds called trivalent chromates.
，
铬电镀工艺已经成为
代
污染六
-科技
域的胶囊将会破裂并渗出具有恢复性的液体---
钝化化合物。
