Through KIDD PROCESS technology development, a cathode design was produced that targeted high-corrosion environments, such as liberator service in electrorefineries and high-corrosion electrowinning plants. 

Targeting high corrosion environments KIDD PROCESS developed and introduced the HP (High Performance) cathode in 2002 after extensive lab testing and field trials. The HP is the cathode of choice in high corrosion environment plants, as well as being favoured by many electrorefining plants seeking long reliable service life. 

The plate features a stainless steel jacket that encapsulates the solid copper head bar, protecting it from corrosion. A corrosion-resistant resin, specifically designed for copper service, protects the conductive interior weld between the head bar to the plate throughout the interior of the jacket. The hanger bar is finished with a high-quality sealing to prevent any ingress of electrolytes into the conductive interior weld. 

Specific jacket designs can be provided for different crane configurations and cell cover hood installations.

The ISA BR cathode was first introduced in 2003 and is the lowest resistance cathode plate on the market. Development included extensive testing in a large electrowinning plant in Chile, South America, and in our own refinery in Townsville, Australia, clearly demonstrating the value and benefits of ISA BR design.

Copper plating on the hanger bar and blade can be applied to the depth and thickness required by customers, with commensurate improvements in electrical conductivity of the plate. 

The ISA BR design can accommodate a wide range of electrode handling equipment and typically copper plating of 55mm down the blade can be achieved resulting in 10mV per cell power savings compared to standard designs.

Since the introduction in 2006 into electrowinning operations, ISAKIDD Technology seen a rapid acceptance of its patented Duplex Cathode Plates. They have proven to give excellent operational performance. 

The superior mechanical properties of the Duplex steel compared to the 316L grade allows more flexibility and reliability in the cathode stripping operation, without permanent deformation to the blade. The key advantages are:

• lower cost plate than 316L 
• superior mechanical strength compared with 316L 
• superior corrosion resistance in operation vs 316L 
• patented Duplex Stainless Steel cathode design 
• unique surface finish to enhance stripping performance 
• successful operation in EW and ER tankhouses 
• available for ISA BR & KIDD HP style plates

Glencore Technology offers three distinct hanger bar designs to suit a range of operational needs:

1. ISA Hanger Bar – Cathode Copper-plated stainless steel hollow bar
2. KIDD Hanger Bar – Cathode Solid copper bar, available with or without sheathing
3. ISAKIDD Hanger Bar – Cathode Stainless steel bar with a copper core: Our most advanced design

The pioneer in Permanent Cathode technology, Glencore Technology continues to set industry benchmarks. The ISAKIDD hanger bar represents the most significant leap forward since the introduction of Duplex blades. Its innovative construction—a stainless steel tubular bar with a high-conductivity copper core—delivers superior electrical performance, mechanical durability, corrosion resistance, and lower lifecycle maintenance costs. A patented weld ensures an airtight, non-corroding seal between the copper contacts and the stainless-steel bar for long-term reliability. The ISAKIDD hanger bar is equally suited to both electro-refining and electro-winning applications; however, its greatest benefits are realised in EW plants operating under aggressive corrosion conditions, such as cells with ventilation hoods.

Each hanger bar option can be paired with 316L, 316 Plus or Duplex Cathode blade materials.