铝化学氧化主要有三价格钝化、六价格钝化和无铬钝化工艺，三价格中性盐雾试验大于336小时，六价格钝化盐雾试验大于168小时，无铬钝化中性盐雾试验大于48小时，外观有五彩色、金黄色、铝本色。特殊需求可制任何颜色，手感不形成手印，可形成不粘水涂层。

Aluminum chemistry anodizing has the technicals of Cr3+.Cr6+and non-chrome passivation.
The respective experimentation times of Cr3+,Cr6+ and non-chrome are: ≥336h,168h,48h.
With the aspect of five multivolor,golden yellow.Aluminum true clolrcan make into any color if have special demand,without any printed when hand touches,also can come into being anti-water coating.