907 zinc plating trivalent chromium passivation film sealer
1. It is suitable for the sealing of trivalent chromium blue, white, color and black passivation film. According to the customer's requirements for product appearance and corrosion resistance, the concentration of closed working fluid can be selected to meet the requirements for appearance. This sealing agent can also be used for the sealing of hexavalent chromium passivation film.
2. Effectively improve the corrosion resistance of the passivation film. When the coating thickness is greater than 6 microns, the corrosion resistance of NSST at different concentrations increases with the increase of concentration, and the NSST is at least> 48 hours.
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Solution composition and operating conditions
Appearance of trivalent chromium passivation film Recommended 907 opening concentration NSST resistance time Light blue 80-150 ml/l > 48 hours Light color 100-200 ml/l > 72 hours Silver * 250-300 ml/l > 72 hours Black 300-450 ml/l > 96 hours Temperature Room temperature Time 15-15 seconds
907 zinc plating trivalent chromium passivation film sealer
1. It is suitable for the sealing of trivalent chromium blue, white, color and black passivation film. According to the customer's requirements for product appearance and corrosion resistance, the concentration of closed working fluid can be selected to meet the requirements for appearance. This sealing agent can also be used for the sealing of hexavalent chromium passivation film.
2. Effectively improve the corrosion resistance of the passivation film. When the coating thickness is greater than 6 microns, the corrosion resistance of NSST at different concentrations increases with the increase of concentration, and the NSST is at least> 48 hours.
Still deciding? Get samples first, Contact US !
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Guangdong Dazhi Chemical Technology Co., Ltd
Email: sales@dazhichem.com
Phone/WeChat: 86-18520125168
Address: No.1 Tianyuan East Road, Yonghe Economic Zone, Huangpu District, Guangzhou City
