Lead- Silver Anodes
Lead-silver anodes are designed for use in the marine industry, especially for vessel protection. Formation and preservation of the lead oxide layer on the anode surface, which is an insoluble oxide, is essential and therefore alloys lead with other metals that stabilize this layer. In this type of anode, the formed layer flows current and lead acts only as a conductor and source of lead oxide.
Lead based anodes are chemically divided into two groups:
A) Lead based anode containing silver (Type A)
B) Lead based anode containing silver and antimony (Type B)
Chemical composition of lead based anodes according to MIL-A-23871A standard
|
Element (Wt%) |
Chemical Composition |
|
|
Type A alloy |
Type B alloy |
|
|
Silver |
1.90-2.10 |
0.95-1.05 |
|
Antimony |
– |
5.5-6.5 |
|
lead |
99.5 Min. |
99.5 Min. |
Lead-silver anodes are suitable for use in marine vessels and offshore structures (piles, etc.) because of their low corrosion rate and high output current. Lead-based anodes are manufactured in various shapes and, depending on their shape and weight, they are mounted either by immersion (Rope restrained) or by special protective equipment adjacent to the protected structure.
Borna Electronics Co. declares its readiness to design and manufacture all types of lead-silver anodes based on the requests of respected clients or project needs.
