One of the possible surface pre-treatment before the powder coating or painting.

This operation creates very compact coating by the ferrous phosphate on the steel and aluminium (middle surface weight 0,5 g/m2). By the same time the parts are degreased too. It is effective as an immunizing coat or as an interlayer below the coatings. The application method is spray in the automatical washing machine; dimensions of the machine: 0,9×0,9×0,9 m