Non Cyanide Zinc Plating Chemicals - Chinaprice: contact company for price
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
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
Plating bath composition and process
Scope of application
Average amount of usage
Zinc oxide8-12 g /
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
40° C Room
Current Density 0.5-8
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
C. Once the zinc oxide is completely
dissolved, add water to the the required
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
- Posted By: Sur-precision Metal Technology CO.,Ltd
- Phone: 8675785728852
- Address: Central Part of Non-ferrous Metal Industrial Devel, Foshan, China
- Website: http://www.imt-pcb.com
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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