Product Description

Production Description

Rc-90 additive for tin-cobalt-zinc alloy plating

Properties

1. The deposit appearance is similar to chromium deposit. The anti-corrosion and brightness can compare with chromium deposit, the covering ability is superior to standard chromium plating.
2. The energy consumption is lower than that of chromium plating.
3. Suitable for general barrel plating on small parts, production efficiency can increase.
4. The technique is used for light industrial products without special toughness demands. It can get big economic benefit due to being as a substitute for chromium plating

DEPOSIT PROPERTIES
1. Neutral salt spraying test: Grade 5
2. Deposit hardness: 220Hv/25g
3. Abrasion resistance: 39.4mg per 1000 times
Process

Stannous Chloride ( SnCl2.H2O)  20~30g/L
Cobalt Chloride ( CoCl2)        8~12g/L
Zinc Chloride ( ZnCl2)          5~10g/L
Potassium Pyrophosphate ( K4P2O7)  220~280g/L
RC-90 Additive                20~30ml/L
RC-90 Stabilizer              4~8g/L
PH                            8.5~9.5
Temp.                        20~45°C
Dk                           0.1~2A/dm2
Anode                  Pure tin plate

The Related Products

There are many kinds of chemicals forpretreament, copper plating, nickel plating zinc plating, chrome plating, alloy plating,Silver plating, gold plating, travalent passivators, sealer and so on.

Advantages of our goods:

 1. We get our own factory to keep the price competitive.

 2. Advanced equipments and labs.

3. Professional QC team to make the qulity nice and steady.


Our company information
 

Wuhan Fengfan Electroplating International Trading Co.,Ltd was founded in 1984, and

is the market leader of Chinese surface finishing industry. With more than 30 years

experience in finishing industry,Fengfan Electroplating has developed several

world leading product lines. Its exclusive products have high efficiency, easy to use and

friendly to environment.