METAX

PHOSPHORIC-ACID SALTS AND OTHER CHEMICAL PRODUCTS FOR OBTAINING AN EFFECT ON, ESPECIALLY FOR CHEMICALLY ALTERING, THE SURFACE OF METAL ARTICLES FOR THE PURPOSE OF PROTECTION AGAINST CORROSION OR OF COLD SHAPING EITHER WITH OR WITHOUT CUTTING, AND TO IMPROVE THE SMOOTHNESS OR OTHER PROPERTIES OF METAL MATERIALS THAT CAN BE AFFECTED BY SURFACE TREATMENT