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WR-1 chrome plating additive
PostTime:2012/5/21 14:17:34    hit:1628
 

WR-1 Additive

for High Efficiency & Wide-range Temperature Chromium Plating

 

PROPERTIES

1.   Wide technique range and good covering ability. The throwing power can increase by 30~60%, the current efficiency is up to 22~24%, non-corrosion at the low current area.

2.   HV hardness increases by 10~30%, the period of neutral salt-spraying test increases 1~2 times.

3.   Low content of chromic acid, it is 40% of routine plating solution, lower the content of chromic acid in waste water, easy to be treated, high economic efficiency.

4.   The technique is stable, easy to maintain.

TECHNICAL FORMULATION & OPERATION CONDITION

Chromic acid (CrO3)

140~180g/L

Sulfuric acid (H2SO4)

0.4~1g/L

WR-1

1~2g/L

Cr3+

< 4g/L

Temperature

25~70°C

DK

5~60A/dm2

Anode

Lead-Tin alloy plate (Tin content 8~15%)

Sk : SA

1:3 below

 
 
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