2. Chemical Composition Chemical Elements: Al, Cd; Impurities: Not greater than Fe, Cu, Pb, Si, Zn; Content %: 0.3-0.6, 0.05-0.12, 0.005, 0.005, 0.006, 0.125; Balance: 3. Electrochemical Properties Performance Indicators: Open Circuit Potential -V(SCE); Working Potential -V(SCE); Actual Specific Capacity A·h/kg; Current Efficiency %; Solubility: In seawater -1.09~-1.05, -1.05~-1.00; ≥780, ≥95; Corrosion products are easy to detach, surface dissolution is uniform; In soil ≤-1.05, ≤-1.03; ≥530, ≥65. Note 1: Reference Electrode - Saturated Calomel Electrode. Note 2: Medium - Seawater medium uses artificial seawater; soil medium uses moist soil, with filling material added around the anode. 4. Specifications Categorized by Application (1) Common Hull Model Specifications Name: Model; Specification/mm: Weight/kg: Dimensions A×B×C: ZH-1 800×140×60 47.0 ZH-2 800×140×50 39.0 ZH-3 800×140×40 31.0 ZH-4 600×120×50 25.0 ZH-5 400×120×50 16.0 ZH-6 500×100×40 13.6 ZH-7 400×100×40 11.0 ZH-8 300×100×40 7.5 ZH-9 250×100×40 6.5 ZH-10 180×70×40 3.5 ZH-5 300×150×50 Double Iron Legs 14.5 ZH-6 300×150×40 Double Iron Legs 11.5 ZH-7 300×150×50 Bolted 12.0 ZH-8 300×150×40 Bolted 9.0