1.By the rust removal, phosphating and passivating basic principles for steel,this treatment liquids are molybdenate as the main promotor.
据钢铁除锈、磷本原理分析,经实验确定了以钼酸盐为主要促进剂除锈、磷比、钝液。
2.Application of polyurethane enamel on farmer trucks with key points in the processes of phosphating, priming, atomic ash puttying and enamel spraying is described.