反应详情

Phosphating solution based on zinc diacid phosphate, nitric acid, zinc nitrate and phosphoric acid in a percentage amount, diluted in water, of between 5 and 20%, at a temperature of 60-85° C. for a variable between 5 and 15 minutes, so as to produce a compact and homogeneous zinc phosphate coating with a very fine crystalline structure so as to facilitate mechanical deformation of the cold material;