中巴客车涂装前的磷化处理有浸喷法和刷涂法,用刷涂法可进行整车涂装,虽然涂层耐蚀性能稍逊于浸喷法,但可省去前处理设备,可进行现场施工,适用于中小型工厂。以往的刷涂磷化剂存在一些通病:(1)磷化膜干燥时间长(无烘干设备,自干24ｈ),易发粘;(2)磷化膜易发白起粉,质量差,潮湿 BAC car coating before the phosphating dip dip method and brush coating method, the brush coating method can be used for vehicle painting, although the corrosion resistance of the coating is slightly less than the dip method, but can save the pretreatment equipment , Can be on-site construction, suitable for small and medium-sized factories. The past brushing phosphating agent there are some common problems: (1) phosphating film drying time is long (no drying equipment, since dry 24h), easy to sticky; (2) phosphating film prone to white powder, poor quality, Wet