壓鑄件熱噴涂鋅與熱鍍鋅工藝的性能區別

1、熱鍍鋅(xin)工(gong)藝預(yu)處理采用酸洗、磷(lin)化工(gong)藝, 工(gong)件(jian)表面會有酸、堿(jian)殘留, 留下隱患(huan)腐蝕, 使熱鍍鋅(xin)層容易(yi)脫落。鋅(xin)噴涂和鋁(lv)噴涂工(gong)藝預(yu)處理采用噴砂工(gong)藝, 工(gong)件(jian)表面非常干凈粗糙(cao)。表面噴上(shang)...