Storage Tank Zinc anode

Zinc anodes are sacrificial anode materials that protect steel storage tanks from corrosion by exploiting zinc's higher electrochemical activity.

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Storage Tank Zinc anode 990

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Zinc anodes are sacrificial anode materials that protect steel storage tanks from corrosion by exploiting zinc's higher electrochemical activity. In an electrolyte environment, zinc acts as the anode and preferentially dissolves, releasing electrons to cathodically protect the tank structure. They are widely used in ballast tanks, seawater pipelines, and underground storage tanks exposed to moisture or chloride-containing environments, especially where resistivity is low. Zinc anodes offer high current efficiency, low self-corrosion rate, and no risk of overprotection, effectively extending tank service life and reducing maintenance costs.

KEY FEATURES

  • Moderate driving voltage,not prone to overprotection
  • Low self-corrosion, high current efficiency
  • Low operation and maintenance cost
  • Easy to retrofit / replace
  • Good compatibility with coating systems

APPLICATIONS

  • Ballast tanks
  • Underground storage tanks

SPECIFICATIONS

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Open Potential ≤-1.10V(vs SCE)
Closed Potential ≤-1.05V(vs SCE)
Actual capacitance(A·h/kg) ≥740
Current Efficiency ≥90%