
Ru-Ir & Ir-Ta Series — DSA Coatings
Ruthenium-Iridium Coated Anodes
Two coating families covering chlorine and oxygen evolution —
from chlor-alkali cells to high-speed acid plating lines.
01 / Product Range
Mesh, Plate, Basket & Etched Forms

Ru-Ir Titanium Mesh
Standard expanded mesh for chlor-alkali and hypochlorite cells.

Ru-Ir Mesh with Tab
Mesh anode with integrated current tab, dimensions per cell design.

Plate Anode with Handle
Solid plate with welded handle for hanging cell configurations.

Coated Titanium Basket
Ru-Ir coated basket anodes for special bath geometries.
02 / Two Coating Systems
Ru Series vs Ir Series
| Ru Series (Chlorine Evolution) | Spec |
|---|---|
| Base metal | Ti Gr1/Gr2 (TA1/TA2) |
| Coating | RuO₂ + X |
| HCl concentration | < 20% |
| Current density | < 3000 A/m² |
| Temperature | < 60 °C |
| Fluoride | < 50 mg/L |
| Noble metal | 8–25 g/m² |
| pH | 1–12 |
| Ir Series (Oxygen Evolution) | Spec |
|---|---|
| Base metal | Ti Gr1/Gr2, Ta, Nb |
| Coating | IrO₂ + Ta₂O₅ + X |
| H₂SO₄ concentration | < 60% |
| Current density | < 10000 A/m² |
| Temperature | < 60 °C |
| Fluoride | < 50 mg/L |
| Noble metal | 15–45 g/m² |
| pH | 1–12 |
03 / Applications
Matched by Coating Family

Chlor-Alkali & Hypochlorite
Caustic soda, diaphragm chlor-alkali, chlorate, NaClO generation and seawater electrolysis.

High-Speed & Foil Plating
Metal foil production, high-speed plating, auxiliary anodes and precious metal plating.

Electrowinning & Synthesis
Non-ferrous metal electrowinning, organic synthesis, acid water electrolysis and electrodialysis.
Send Us Your Drawing or Working Conditions
Coating recommendation and quotation within 24 hours — samples in 7–10 days.