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 further increase protection. Passivation generally with potassium dichromate solution (2 to 4 grams / liter, painting equipment manufacturers address, sometimes adding 1 to 2 g phosphoric acid), painting equipment Which strong dip at 80-90 degrees for 2-3 minutes Tut removed, washed to. After the pre-treatment of the workpiece surface is not only oil, rust, dust, and original silver with a layer of coarse gray uniform and phosphate coating is not easily generate rust on surface gloss, Shandong painting equipment, both anti-rust but increase the adhesion of spray layer. Price, welcome your call, we will be happy to help you! Yongkang Yu Pei electrostatic spray painting Equipment Co., Ltd. The main process steps are as follows: phosphating with zinc phosphate solution so that the steel surface grooves phosphate leaching. WF bonderite divided into: A agents - with tank agent B agent - Addenda C agents - accelerator. Reasonable prices, reliable quality, new and old customers come to contact business! Which is good _ Yu painting equipment painting equipment wear (online consultation) _ Shandong painting equipment from Yongkang Yu Pei Coating Equipment Co. Yongkang Yu Pei Coating Equipment Co., Ltd. (www.ypsb.cn114114.com) is an industry leader in Jinhua, Zhejiang, industry-specific equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Yu Pei leader in coating equipment with the staff warmly welcome all inquiries negotiations to create the painting equipment Yu Pei better future.