Four in one phosphating liquid(dipping)

what is phosphating

mostly used petreatment method is known as "phosphating". phosphate coating is the layer form on surface which includes iron, zinc or manganese crystals.

there are three types of phosphate coating; iron phosphate, zinc phosphate and manganese phosphate. generally it is used for coating iron and steel surfaces. immersion and spraying are the most common application methods.

phosphate coating reaction is simply known as the reaction between phosphoric acid and metal (acid – base reaction). metalic phosphate becomes insoluble on the surface and forms a layer with metalic color.

baoding lanpa metal surface finishing co., ltd is a company that dedicated to producing and selling different kinds of metal surface treatment chemicals, like phosphate coating chemicals, degreasers, blackening agents, anti-rust chemicals, cutting fluids, etc. established in 2009, after several years of hard working, lanpa products have been successfully exported to over 20 countries in middle east, southeast asia, south america, etc.

now, lanpa has established its own r&d team, which consists of ph.d. chemists, chemical engineers, and graduate students in applied chemistry. all these guarantees lanpa provide the best products and suitable after-sale service for customers. besides, we could also be in charge of designing the process lines for customers, which makes sure the end-customers use the products in the right way and get the effect they want.