MX-ZN-D-51H Zinc-nickel alloy trivalent chromium black
passivation
Features:
1. Environment-friendly zinc
nickel alloy passivation, up to RoHS request, no hexavalent involved;
2. Easy to operate, brightly and
evenly black-colored on zinc nickel alloy plating;
3.After passivation, add
blocking agent to get bright and anti-corrosion layer;
4.Applicable to barrel and rack plating.
Process and operation
condition:
|
Operate scope
|
Value
|
|
MX-ZN610-H
|
100ml/L
|
|
PH
|
2.0
|
|
Temperature
|
25℃
|
|
Time
|
60-90s
|
Maintenance:
MX-ZN-D-51H replenishment is in proportion to the treatment
area;
Add 1L MX-ZN610-H
every time deal with 2000dm2plating pieces, there is a discrepancy according to product requirement and input;
As for barrel plating, input is large, increase the amount of
MX-ZN610-H replenishment properly to keep passivation concentrate.
