chromate

tetrabasic zinc chromate...

四盐锌,

This paper has introduced the green-protection zincum-chromium coat, i n ianther word, it is "DACROMET" coat, it is one kind of liquid that confected from zincum flake alumimium flake chromate flake.

本文详细介绍了绿色环保型锌涂层即“达克罗”涂层,它是以锌片、铝片、盐等配制而成的溶液。