Cambon trivalent chromium Choi zinc passivator KB-336

Cambon trivalent chromium Choi zinc passivator KB-336 First, the performance and features: 1, hexavalent chromium, lead, cadmium, mercury and other elements, for green products, has passed the SGS international standards. 2, a layer of color passivation film formed on the surface of various types of zinc coating, suitable for rack and barrel plating operations. 3, finished bright color, not hair spray, corrosion resistance, neutral salt spray test barrel for more than 96 hours, rack up more than 120 hours. 4, simple to operate, easy to maintain solution. Second, the process galvanization, washing, a light, two washing, passivation, two water, hot water (45-55 degrees), (closed), laundry, dry (60-70 degrees) Third, use of the process Note 1, when working properly, PH value will rise, with nitric acid to a predetermined range. 2, can be used for heating, but the temperature should not exceed 50 ℃. 3, non working fluid remaining in the workpiece or other metal objects. 4, the working fluid in the iron concentration exceeds 0.4g / L, the concentration of zinc ion exceeds 0.8g / L, should be drained 1/4 old working solution, add new working fluid. 5, the coating thickness of the workpiece is preferably less than 8 microns. 6, in order to ensure the quality of the plating film, nitric acid passivation of the light and hot water before passivation aging and drying can not be omitted. 7, to maintain a good working condition of the plating solution, to avoid organic impurities and other metal impurities into. 8, the workpiece after passivation, should be placed 48 hours, to be aging before making a passivation film entirely neutral salt spray test, the result was accurate and reliable. Shenzhen Cambon Ltd. National Hotline: 400-686-0933 Online Customer Service QQ: 3158367142 Tel: 13602526897 E-mail: 13602526897@139.com Website: http: //www.chinakangbang.com/ Address: Bao'an District, Shenzhen City, Guangdong Province, Pine Building, post 松瑞路朗廷