Sacrificial anodes for cathodic protection of metal components in electrolytes such as seawater, brackish water, soil, with temperatures below 50℃ and resistivity less than 15Ω·m. These anodes are suitable for various applications, including ships, port facilities, marine engineering, buried metal pipelines, storage tanks, and seawater cooling systems, providing effective cathodic protection for steel structures.
Electrochemical performance
| Electrochemical Performance | Open Circuit Potential /V | Working Potential /V | Actual Capacitance /(Ah/kg) | Consumption Rate/kg*(A*a)-1 | Current Efficiency/% | Dissolution Performance |
| In seawater (1mA/cm2) | -1.09 to -1.05 | -1.05 to -1.00 | ≥780 | ≤11.23 | ≥95 | Uniform surface dissolution, easy detachment of corrosion products. |
| In soil (1mA/cm2) | ≤-1.05 | ≤-1.03 | ≥530 | ≤17.25 | ≥65 |
chemical composition of Zn-Al-Cd
| Elements | Percentage composition |
| Al | 0.3-0.6 |
| Cd | 0.05-0.12 |
| Fe | ≤0.005 |
| Cu | ≤0.005 |
| Pb | ≤0.006 |
| Si | ≤0.125 |
| Zn | Reminder |
Tolerance - Sacrificial Anode of Zn-Al-Cd Alloy
| Weight tolerance | ±3% |
| Length tolerance | ±2% |
| Width tolerance | ±3% |
| Thickness tolerance | ±5% |
| Straightness tolerance | ≤2% |
The purity of the raw materials are as follows
- Zinc purity ≥ 99.99%
- Aluminum purity ≥ 99.80%
- Cadmium purity ≥ 99.99%
Weld-on sacrificial anode for ship hulls - single iron foot
| Specifications/mm | Anode Foot Size/mm | Weight/kg | |||
| A*B*C | D | E | F | G | |
| 800*140*60 | 900 | 45 | 5-6 | 8-10 | 45.4 |
| 800*140*50 | 900 | 45 | 5-6 | 6-8 | 37.4 |
| 800*140*40 | 900 | 45 | 5-6 | 5-6 | 29.5 |
| 600*120*50 | 700 | 40 | 5-6 | 6-8 | 24 |
| 400*120*50 | 470 | 35 | 4-5 | 6-8 | 15.3 |
| 500*100*40 | 580 | 40 | 4-5 | 5-6 | 12.7 |
| 400*100*40 | 460 | 30 | 4-5 | 5-6 | 10.6 |
| 300*100*40 | 360 | 30 | 3-4 | 5-6 | 7.2 |
| 250*100*40 | 310 | 30 | 3-4 | 5-6 | 6.2 |
| 180*70*40 | 230 | 25 | 3-4 | 5-6 | 3.3 |
Weld-on sacrificial anode for ship hulls - double iron foot
| Specifications/mm | Anode Foot Size/mm | Weight/kg | |||
| A*B*C | D | E | F | G | |
| 300*150*50 | 360 | 30 | 4-5 | 5-6 | 13.7 |
| 300*150*40 | 360 | 30 | 4-5 | 5-6 | 10.7 |
Bolt-on sacrificial anode for ship hulls
| Specifications/mm | Anode Foot Size/mm | Weight/kg | |||
| A*B*C | D | E | F | G | |
| 300*150*50 | 360 | 30 | 4-5 | 5-6 | 13.7 |
| 300*150*40 | 360 | 30 | 4-5 | 5-6 | 10.7 |
Sacrificial anodes commonly used in ballast tanks
| Model | Specifications/mm | Anode Foot Size/mm | Weight/kg | ||||
| A*(B1+B2)*C | D | E | F | G | H | ||
| ZT-1 | 500*(115+135)*130 | 800 | 50 | 6 | 40 | 60 | 53.5 |
| ZT-2 | 1500*(65+75)*70 | 1800 | - | 16 | 20 | 40 | 48.3 |
| ZT-3 | 500*(110+130)*120 | 80 | 50 | 6 | 40 | 60 | 48.0 |
| ZT-4 | 1000*(58.5+78.5)*68 | 1300 | - | 16 | 20 | 40 | 31.8 |
| ZT-5 | 800*(56+74)*65 | 1100 | - | 16 | 20 | 40 | 24.0 |
| ZT-6 | 1150*(48+54)*51 | 1450 | - | 12 | 15 | 35 | 18.6 |
| ZT-7 | 250*(80+100)*85 | 310 | 30 | 4 | 6-8 | 0 | 12.8 |
| ZT-8 | 200*(70+90)*70 | 260 | 30 | 3 | 6-8 | 0 | 7.3 |
Sacrificial anodes for port and marine engineering facilities
| Specifications | Threaded Iron Foot Size/mm | Flat Iron Foot Size/mm | Weight/kg | |||||
| A*(B1+B2)*C | D | E | F | D | E | F | G | |
| 1 000*(115+135)*130 | 1250 | 18 | 45 | 1250 | 40 | 8 | 45 | 111.6 |
| 750X(115＋135)*130 | 1000 | 16 | 45 | 1000 | 40 | 8 | 45 | 83.0 |
| 500*(115＋135)*130 | 750 | 16 | 45 | 750 | 40 | 6 | 45 | 55.0 |
| 500*(105＋135)*100 | 750 | 16 | 35 | 750 | 40 | 6 | 35 | 38.6 |
Long bar-shaped sacrificial anodes for seawater cooling systems
| Specifications/mm | Anode Foot Size/mm | Weight/kg | |||
| A*(B1+B2)*C | D | E | F | G | |
| 500*(115+135)*130 | 620 | 50 | 6 | 8-10 | 54.5 |
| 1000*(80+100)*80 | 1200 | 30 | 6 | 6-8 | 49.0 |
| 500*(105+135)*100 | 620 | 40 | 6 | 8-10 | 39.2 |
| 500*(80+100)*80 | 620 | 30 | 6 | 6-8 | 24.4 |
| 400*(110+120)*50 | 500 | 35 | 4 | 5-6 | 15.4 |
| 300*(140+160)*40 | 360 | 60 | 4 | 5-6 | 12.0 |
| 200*(90+110)*40 | 250 | 30 | 3 | 5-6 | 5.3 |
Disc-shaped sacrificial anodes for seawater cooling systems
| Model | Specifications/mm | Anode Foot Size/mm | Weight/kg | |||||
| A*B | C | D | E | F | H | G | ||
| ZT-1 | 300*60 | 40 | 80 | 50 | 12 | 6-8 | 6 | 29.8 |
| ZT-2 | 360*40 | 50 | 100 | 70 | 14 | 5-6 | 6 | 28.3 |
| ZT-3 | 300*40 | 40 | 80 | 50 | 12 | 5-6 | 6 | 19.8 |
| ZT-4 | 200*50 | 35 | 75 | 45 | 10 | 5-6 | 4 | 10.3 |
| ZT-5 | 180*50 | 35 | 75 | 45 | 10 | 5-6 | 4 | 8.3 |
| ZT-6 | 120*100 | 30 | 75 | 45 | 10 | 8-10 | 4 | 7.3 |
Sacrificial anodes for corrosion protection inside tanks
| Specifications/mm | Anode Foot Size/mm | Weight/kg | ||
| A*(B1+B2)*C | D | F | G | |
| 750*(115+135)*130 | 900 | 16 | 8-10 | 82.0 |
| 500*(115+135)*130 | 650 | 16 | 8-10 | 55.0 |
| 500*(105+135)*100 | 650 | 16 | 8-10 | 39.0 |
| 300*(105+135)*100 | 400 | 12 | 8-10 | 24.6 |
Sacrificial anodes for buried pipelines
| Specifications/mm | Anode Foot Size/mm | Weight/kg | |||
| A*(B1+B2)*C | D | E | F | G | |
| 1000*(78+88)*85 | 700 | 100 | 16 | 30 | 49.0 |
| 1000*(65+75)*65 | 700 | 100 | 16 | 25 | 32.0 |
| 800*(60+80)*65 | 600 | 100 | 12 | 25 | 24.5 |
| 800*(55+64)*60 | 500 | 100 | 12 | 20 | 21.5 |
| 650*(58+64)*60 | 400 | 100 | 12 | 20 | 17.6 |
| 550*(58+64)*60 | 400 | 100 | 12 | 20 | 14.6 |
| 600*(52+56)*54 | 460 | 100 | 12 | 15 | 12.0 |
| 600*(40+48)*45 | 360 | 100 | 12 | 15 | 8.7 |
