Standard :GB 4948 used for Hull, Ballast tanks, offshore engineering, Harbor Structures, Sea water cooling system,etc

Aluminum anodes. Which can be used for Hull, Ballast tanks, offshore engineering, Harbor Structures, Sea water cooling system, and submerged pipelines.

Standard :GB 4948Chemical Composition Analysis (%) Type Zn In Cd Sn Mg Si Ti Impurity ,less than Al Si Fe Cu Al-Zn-In-CdA11 2.5-4.5 0.018-0.050 0.005-0.020 - - -- - 0.10 0.15 0.01 Balance Al-Zn-In-SnA12 2.2-5.2 0.020-0.045 - 0.018-0.035 - - - 0.10 0.15 0.01 Balance Al-Zn-In-SiA13 5.5-7.0 0.025-0.035 - - - 0.10-0.15 - 0.10 0.15 0.01 Balance Al-Zn-In-Sn-MgA14 2.5-4.0 0.020-0.050 - 0.025-0.075 0.50-1.00 - - 0.10 0.15 0.01 Balance Al-Zn-In-Mg-TiA21 4.0-7.0 0.02-0.050 - - 0.50-1.50 - 0.01-0.08 0.10 0.15 0.01 Balance      Electrochemical characteristics : Item Material of anodes Open-circuit Voltage (v) Close-circuit Voltage (v) Actual Capacity(Ah/kg) Current efficiency (%) Consumption rate ( kg.(A.a)* Dissolve Performance Electrochemical Performance Type 1 -1.18- -1.10 -1.12- -1.05 ≥2400 ≥85 ≤3.65 The surface dissolve evenly & oxide drop easily Type 2 -1.18- -1.10 -1.12- -1.05 ≥2600 ≥90 ≤3.37 *Reference electrode: Saturated calomel electrode Type 1: A11,A12,A13,A14 Type 2: A21

Aluminium anode