Jiangmen and chromium light stabilizers - Jiangmen chrome plating Generation - Zhejiang plating brightener

Jiangmen and chromium light stabilizers - Jiangmen behalf of chrome plating - plating brightener Zhejiang Hui 13686661868 http://www.dghaolun.com a group, Jiangmen operating conditions and chromium and chromium A (ml / l) 300 to 400 and chromium B (ml / l) a current density of 100 to 200 60 ~ 100A / barrel (barrel) 0.5 ~ 2.0 A / dm2 (rack) for Mode 4 to 8 rev / min (barrel) of 25 to 30 beats / min (rack) pH value (Available sulfuric acid or sodium hydroxide to adjust) 10.0 to 11.0 temperature 20 ~ 50 ℃ anode 1 Cr 18 Ni 9 Ti stainless steel Note: Times chrome rack A, B take maximum, take the lower limit Barrel; era chromium A blue color requirements take The upper limit, B to take lower; require white era take lower chromium A, B to take maximum. Second, Jiangmen and chromium bath preparation 1. 20% of the first predetermined volume of pure water was added plating tank; 2. The desired amount of generation of chromium A, stir; 3. Stirring slowly added and chromium B, and add water to the required volume; 4. Loop filter, aging after 4-8hr, appropriate heating trial plating. Third, Jiangmen and chromium and chromium plating process Maintenance 1. Good plated bottom plating (bright nickel, nickel-iron or copper-tin alloy, etc.) → washing → → washing → weak acid activation and chromium plating → washing → passivation → washing → drying → test → finished and chromium additives Product details: http: //www.diandu168.com/flash/sort0135/UPS_EPS78.html