BaiQi’s prepackaged magnesium anode features a cast magnesium core encased in a permeable cotton bag with highly hygroscopic backfill. Shipped in a removable PE or paper wrap, its backfill cuts ground resistance, retains moisture, boosts efficiency and ensures uniform anode consumption for a high-performance bed.
Designed for direct burial, this factory-prefabricated anode streamlines on-site installation and guarantees anode ground bed quality.
Chemical Composition Comparison
|
Element |
High Potential (HP, ASTM B843-M1C) |
Standard Potential (H-1, ASTM B843-AZ63B) |
|
Aluminum (Al) |
0.010% max. |
5.300~6.700% |
|
Manganese (Mn) |
0.500~1.300% |
0.150~0.700% |
|
Zinc (Zn) |
— |
2.500~3.500% |
|
Silicon (Si) |
0.050% max. |
0.100% max. |
|
Copper (Cu) |
0.020% max. |
0.020% max. |
|
Iron (Fe) |
0.030% max. |
0.030% max. |
|
Nickel (Ni) |
0.001% max. |
0.002% max. |
|
Single Impurity |
0.050% max. |
0.050% max. |
|
Total Other Impurities |
0.300% max. |
0.300% max. |
|
Magnesium (Mg) |
Remainder |
Remainder |
|
Technical Parameter |
High Potential (HP) |
Standard Potential (H-1) |
|
Open Circuit Voltage (OCV) |
1.70~1.75 V |
1.50~1.55 V |
|
Closed Circuit Voltage (CCV) |
1.58~1.62 V |
1.45~1.50 V |
|
Current Capacity |
1100 A·h/kg (500 A·h/lbs) |
1230 A·h/kg (550 A·h/lbs) |
|
Current Efficiency (Min.) |
50% |
55% |
Application
Magnesium anodes are economical solutions that can be used for land application, especially for buried structures with high resistivity of environment. They are generally applied in the sacrificial anode cathodic protection (SACP) system of onshore pipelines, underground storage tanks (USTs), external bottom of aboveground tanks, etc. Bare magnesium anode is usually comes in copper cable with certain type of insulation and prepacked in a linen bag containing a rapid wetting, moisture-retaining backfill, which reduces the electrolyte resistively adjacent to the anode for improved performance.
