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.
