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This process is not containing the CN - and novel alkaline chelating agent of the barrel plating process. It provides a number of advantages for the user, including coating formation, it is a good zinc utilization, easy to operate, and tolerance for the burnt plating layer.
use with sealants, 5% salt fog test white rust resistance greater than or equal to 72 hours. impurity excellent performance. Plating solution has long service life. Easy to operate and maintain. in barrel plating or automatic line passivation, collision or friction scratches will automatically repair.
Black passivator without hexavalent chromium,suitable for rack plating and barrel plating. Used together with a sealer,it can produce a dense black passivation layer on the acid zinc chloride coating. When used with a sealant,the anti-white rust time of 5% salt spray test is ≧72 hours. Excellent anti-impurity performance. The bath has a long service life. Easy to operate and maintain. In barrel plating or automatic wire passivation,the scratches caused by collision or friction will be automatically repaired.
Stable performance and high current efficiency . The coating is meticulous , bright , smooth , beautiful and beautiful. It is not only suitable for continuous galvanizing of wires, but also has the function of single-piece electroplating, which is suitable for sulfate galvanizing of any formulation.
The process economic savings , can be obtained in acidic galvanizing bright, leveling and flexibility very good coating. Good temperature rise tolerance, up to 49 ℃ , low foam, and strong air stirring can be used.
Galvanized trivalent chromium color zinc water BZ-208 is a kind of trivalent chromium color zinc process suitable for zinc coating. A smooth,yellowish green rainbow color passivation film is formed on the surface of the coating,and the passivation film has high corrosion resistance. This process is suitable for hanging and rolling plating.
BZ-207 is a trivalent chromium color passivation system used on zinc coating. The coating has high corrosion resistance and does not contain organic acids. Through a simple dipping process,the product can be uniformly bright,deep color yellow thick passivation film with strong chromium bonding force.
BZ-215 fluorine-free trivalent chromium blue and white passivation agent for zinc plating is an environmentally friendly new product specially developed for electro-galvanizing enterprises. The product does not contain hexavalent chromium,so that the produced products comply with ROHS and ELV environmental protection regulations and meet export requirements. The discharged wastewater meets the standard. Simple operation,uniform appearance and good corrosion resistance.
passivation film color is bright, film formation is slow, delicate, good corrosion resistance. the operation range is wide, the passivation time on the automatic line is 25-45 seconds, the pH can be controlled between 2.0-2.8. the air stop time can be as long as 25-30 seconds, the hole or concave will not turn yellow, still keep bright blue. The thickness of the zinc coating is > 8μm, and the resistance of NSS BBB> 72 hours. this product can be used for acid zinc and alkali zinc, especially suitable for ring line, vertical lifting line and other automatic line on the large area of the workpiece passivation process.
BZ-525 of water-soluble acid-galvanized brightener is economical and can obtain bright,smooth and soft coating. Coating white,fast light,good corrosion resistance of galvanized coating,COD content in wastewater in line with environmental protection discharge standards.
