铸铁件发黑磷化液的研究

Study on Black Phosphating liquid for Cast Iron Workpieces

通过优化选择磷化配方和工艺条件,研制出铸铁件黑色磷化处理的新产品。用此产品处理的铸铁标准件可获得外观呈深灰黑色、细密均匀、防锈性好的磷化膜。

product used to deal with the product can During optimizing and choosing phosphating formula and technological condition, a new with cast iron standard workpieces is studied. The cast iron standard workpieces treated obtain deep grey, uniform and fine, good rustproof phosphating film