Coating Equipment Co., Ltd. Yongkang Yu Pei: painting equipment categories: automotive, machinery and equipment coating equipment such as: clean paint room, clean paint room, car painting lines, automatic painting, auto electrophoresis coating line For consultation, please call contact picture on us, we will be happy to serve you. Yongkang Yu Pei electrostatic spray painting Equipment Co., Ltd. The main process steps are as follows: Passivation Passivation can close the pores of the phosphate layer, so that the phosphate layer exposed steel passivation to inhibit residual phosphate accelerator corrosive effect Which painting equipment is strong, further increase protection. Passivation generally with potassium dichromate solution (2 to 4 grams / liter, and sometimes add 1 to 2 grams of phosphoric acid), at 80-90 ° C for 2-3 minutes dipped Tut removed, washed with water can be. After the pre-treatment of the workpiece surface is not only oil, rust, dust and spray equipment purchases, and had generated a uniform layer of silver-white and rough is not easy rusty gray phosphate coating on the surface gloss painting equipment production, both anti-rust but also increase the adhesion of spray layer. Price, welcome your call, we will be happy to help you! Zhejiang Painting equipment Painting equipment _ _ Yu Pei painting equipment manufacturers to provide the Yongkang Yu Pei Coating Equipment Co. Zhejiang Painting equipment Painting equipment _ _ Yu Pei painting equipment manufacturers Yongkang Yu Pei Coating Equipment Co., Ltd. (www.ypsb.cn114114.com) this year introduced a new upgrade, the above picture is for reference only, please call this page or Tel picture on to obtain the latest information, contact: Lang total.