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Ruthenium Electrolyte



Strong acidic ruthenium bath / electrolyte for the galvanic deposition of grey ruthenium layers. The addition of blackening additive Ruthenium BLACK 500 B results in dark anthracite coatings - depending on the added amount of blackening additive the dark colour can be individually adjusted.




Bath type: Strong sulphuric

Ruthenium content: 5 g per litre

Layer: Ruthenium

Max. layer thickness: 1 µm

pH-value: < 1

Bath temperature: 60 °C (55-70 °C)

Current density: 50 A/dm2

Deposition rate: 1 µm / 2 min at 9 V

Type of application: (Black-) Ruthenium plating

Delivery form: Make-up:

Ruthenium BLACK 500 (25 g Ru/l)


Ruthenium BLACK 500-R (salt)





The blackening additive Ruthenium BLACK 500-B is specially designed Ruthenium BLACK 500. The addition of this blackening additive results in L-values of < 60 at the colour level.


Type of Additive: Blackening additive for

Ruthenium BLACK 500

Dosage: 2-6 ml per g Ru (depending on desired blackening level)

Replenishment: 4 ml per g precipitated Ru,

and after working intermissions

Delivery form: 100 ml bottles






High-quality black ruthenium pen / brush plating solution for decorative applications. Ruthenium SP is ideal for the selective, manual ruthenium plating of small surfaces - resulting in abrasion-proof, black anthracite, bright coatings.


Bath type: Weak sulphuric

Ruthenium content: 20 g per litre

Layer: Ruthenium 99.9%

Max. layer thickness: 0.3 µm

pH-value: < 1

Bath temperature: Room temperature

Voltage: 10 V

Type of application: Decoration

Delivery form: Ready-to-use solution (2 g / 100ml)