puttying

1.Application of polyurethane enamel on farmer trucks with key points in the processes of phosphating, priming, atomic ash puttying and enamel spraying is described.

介绍农用运输车磷化、喷涂底漆、涂刮原子灰、喷涂聚氨酯磁漆等工艺流程及注意。