Цианистый Бесплатная Щелочная цинковая процесс нанесения покрытия

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Product Description

HN-NK Cyanide-free Alkaline Zinc Plating Process

Other Name: zinc electroplating, zinc electroplating brightener, alkaline zinc plating, cyanide-free alkaline zinc plating 

Product Details

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.
Suitable for hanging galvanized and roll galvanized production line

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

Bath composition and process conditions
Scope of application
Average amount of usage
Zinc oxide
8-12 g / l
10g/l
Sodium hydroxide
100-140g/l
130g/l
Brightener HN-NK1
8-10 mg / l
10 mg / l
Additive agent HN-NK2
8-10 mg / l
10 mg / l
Refiner HN-NK3
5-10 mg / l
Depends on the water quality
temperature
15-40°C
Room temperature
Current Density
0.5-8 A/dm2
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Voltage
2-6V
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Additive function and complementary

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.

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.

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


Additive consumption
HN-NK1:40-80ml/kvah
HN-NK2:40-80ml/kvah
HN-NK3:10-20ml/kvah

Packing & Delivery
Our Service

      Please contact Ms Lillian Chan
      Call/Whats app: +86 139 2865 1530
      Skype:highnic.lily
      Wechat:foshanlily

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