phosphorized การใช้

Standard specification for phosphorized coppers - refinery shapes
A kind of elastic colloidal film can effectively resist shock by stone granules so as to protect phosphorized antirust paintcoat on the surface of chassis
Mud , sand and stone granules carried by turning wheel unceasingly strike the chassis , then , a thin layer of phosphorized antirust priming paint below the chassis will be broken little by little and galvanized iron is forced to bare
Surface metal of the chassis without phosphorized antirust priming paint will get rusty under the circumstance of seeper on the road surface or washing the chassis . however , iron rust has strong permeability and unceasing corrodes other parts so that the whole chassis is rust - eaten and scrapped