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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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