A zinc rudder anode suitable for salt water. The zinc disc anode is manufactured in the United Kingdom to US MIL Spec-A-18001K standards.
Every rudder anode sold by Anode Outlet is genuine and manufactured to the highest quality anode specification. Item(s) shown in image may not come in manufacturers’ branded packaging due to production processes.
Specifications:
Please refer to the diagram in product images for full specifications.
Click on any of the part numbers below to be taken to the respective product.
| Part No. | Diameter | Height | Hole Centre | Weight |
| 03ZB | 50mm | 35mm | 16mm | 0.25kg |
| 05ZB | 70mm | 25mm | 12mm | 0.5kg |
| 02ZB | 133mm | 28mm | 36mm | 2kg |
| 27ZB | 160mm | 23mm | 35mm | 2.7kg |
| 41ZB | 163mm | 35mm | 35mm | 4.1kg |
| 89ZB | 230mm | 35mm | 50mm | 8.9kg |
Components:
| Components | Percentage |
| Cadmium | 0.025-0.07 |
| Aluminium | 0.10-0.5 |
| Zinc | Remainder |
Impurities:
| Impurities | Percentage |
| Copper | 0.005 Max |
| Iron | 0.005 Max |
| Lead | 0.006 Max |
| Others Total | 0.10 Max |
Other:
Electrochemical Capacity: 780 AHr/kg nominal.
Solution Potential: -1050mV vs. Ag/AgCI reference cell nominal (in seawater).
Useful Links:
Explore our full range of zinc disc anodes.
Blog: Fitting anodes to trim tabs and rudders.
Blog: How often should a sacrificial anode be replaced on a boat?
Blog: Cathodic protection for boats.
Blog: Aluminium versus zinc anodes.
- Type:
- Disc Anode
