Non-cyanide alkaline zinc plating brighteners for rack application

METASU ZES is an alkaline brightener for rack application. Brighter finish will be obtained. Throwing power to low current area has improved.

・Excels in throwing power
・Bright finish, matching with passivate agent is ideal
・Film is flexible. No crack and flaking
・Suitable for plating complex shape parts
・Chemicals are concentrated type. Lower amount of additions
・Great waste water treatability

Product Specifications


Appearance Colorless – yellow liquid (ZES-M2)
Light yellow – yellow liquid (ZES-V(M))
Colorless liquid (ZES-R(M))

Usage conditions (standard)

Item Range Remarks
Composition Zinc 9 – 11g/L
Caustic soda 135 – 145g/L
METASU ZES-M2 3 – 8ml/L Wetter
METASU ZES-V(M) 0.6 – 3.0ml/L Brightener
METASU ZES-R(M) 0 – 10ml/L Softener
Condition Temperature 20 – 30°C
Cathode electric current density 1.5 – 6.0 A/dm2 The maximum cathode current density changes according to the zinc concentration and stirring.
Electric current efficiency 35 – 65% Differs for various current density settings.
Precipitation speed 0.25μm/min
(1A/dm2 )

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