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  • Non Cyanide Zinc Plating Chemicals - China

    price: contact company for price

    1. Characteristics,

    Cyanide Free, environmental friendly

    It can achieve elegant and bright zinc

    plating over a wide range of current density

    Extremely even plating thickness, with high

    dispersion capacity

    Plating is extremely soft and easy to

    chromate passivation, the deformation process

    can be processed after plating

    Process stability, high tolerance for

    impurities and good temperature resistance

    Plating solution is simple and stable,

    without any control hassle

    Suitable for hanging galvanized and roll

    galvanized production line

    2. Plating bath composition and operating

    conditions,

    Plating bath composition and process

    conditions

    Scope of application

    Average amount of usage

    Zinc oxide8-12 g /

    l 10g/l

    Sodium hydroxide100-

    140g/l 130g/l

    Brightener HN-NK18-10 mg

    / l 10 mg / l

    Additive agent HN-NK2 8-10 mg /

    l10 mg / l

    Refiner HN-NK35-10 mg /

    l Depends on the water

    quality

    Temperature 15-

    40° C Room

    temperature

    Current Density 0.5-8

    A/dm2---------

    Voltage2-6V

    ---------

    3. Plating solution preparation methods,

    A. Put one fifth of water into the plating

    bath, adding required sodium hydroxide and

    keep stirring till complete dissolution;

    B. Then mix zinc oxide with water into a

    paste, slowly pour into the bath, stir to

    completely dissolve

    C. Once the zinc oxide is completely

    dissolved, add water to the the required

    volume;

    D. Continuous electrolysis for 30 minutes

    using Wavy false cathode at a low current

    density (0.2 A/dm2)

    E. Finally, adding the calculated amount of

    various additives, stir well, then the

    plating is ready to start

    4. Equipment Requirements,

    Plating bath: Steel tanks lined with plastic

    or plastic tank.

    Circulation filter: The circulation filter

    can prevent rough coating.

    5. Additive function and complementary,

    1) Polish agent HN-NK1: Fine crystalline

    plating can be achieved over a wide range of

    current density. Insufficient amount can

    result in low potential zone with lightless

    and a small amount of gray fog, in case of

    excessive, cathode hydrogen evolution severe

    and result in low current efficiency.

    2) Additive HN-NK2: The Plating can improve

    brightness and leveling, prevent white

    Plating in a high potential zone.

    Insufficient amount can result in Less

    brightness in middle potential zonet, and

    whitish in high potential zone; While

    excessive can result in cathode hydrogen

    evolution severe, and low current efficiency.

    3) Impurity agent HN-NK3: Special anti-hard

    water and Metal impurity agent, the water can

    complex Ca, Mg and other metal impurities,

    Thereby reduce the impact of metal impurities

    contamination


    Company Contact:


    • Phone: 8675785728852

    • Address: Central Part of Non-ferrous Metal Industrial Devel, Foshan, China

    • Email: Email


    Published date: July 9, 2014 -

    • Business Description: Sur precision Metal Technology CO.,Ltd , One of subordinates of Highnic

      Group, is a large scale enterprise specializing in electroplating

      additive production and technological development. It locates in central

      part of Nonferrous Metal Industrial Development Zone, Nanhai, Foshan

      city, Guangdong, China. The company has established a R&D team and

      introduced world class leading facilities to develop new electroplating

      technologies. The whole product series cover various metal finishing

      additives, PCB speciality chemical and PVB phosphorus copper anode,

      automobile aluminum wheels, etc.

      HIGHNIC holds the worldwide leading position in general metal finishing technology, AS HIGHNIC's production base, Sur precision Metal provides a wide rang of metal finishing additives covering technologies for the entire spectrum of decorative and functional surface treatment. It is used for various materials form steel, aluminum and magnesium to engineered plastic. Our principle is to create a long term partnership with customers under the efforts of professional knowledge, extensive experience and progressive core technology.

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