Aluminum-zinc-indium Alloy Sacrificial Anode

Aluminum-zinc-indium Alloy Sacrificial Anode

1. Application

Aluminum-zinc-indium alloy sacrificial anode is suitable for marine anti-corrosion cathodes in marine materials, such as ships, mechanical equipment, ballast water tanks, tank inner walls, coastal facilities, submarine pipelines, dock steel piles, offshore platforms, cables, etc. protection.

2. Standard : GB/T 4948-2002

3. Chemical Ingredien

Alloy type	Zn	In	Cd	Sn	Mg	Si	Ti	Impurity, no more than			Al
								Si	Fe	Cu
Al-Zn-In-Sd	2.5-4.5	0.018-0.050	0.005-0.020	-	-	-	-	0.10	0.15	0.01	Margin
Al-Zn-In-Sn	2.2-5.2	0.020-0.045	-	0.018-0.035	-	-	-	0.10	0.15	0.01	Margin
Al-Zn-In-Si	5.5-7.0	0.025-0.035	-	-	-	0.10-0.15	-	0.10	0.15	0.01	Margin
Al-Zn-In-Sn-Mg	2.5-4.0	0.020-0.050	-	0.025-0.075	0.50-1.00	-	-	0.10	0.15	0.01	Margin
Al-Zn-In-Mg-Ti	4.0-7.0	0.020-0.050	-	-	0.50-1.50	-	0.01-0.08	0.10	0.15	0.01	Margin

4. Electrochemical performance

Type / indicator / performance	Open Circuit Potential -V(SCE)	Working Potential -V(SCE)	Actual Capacity A·h/kg	Current Efficiency %	Dissolution Condition
Common aluminum alloy sacrificial anode	1.10-1.18	1.05-1.12	≥2400	≥85	Corrosion products are easy to fall off, surface dissolves
High efficiency aluminum alloy sacrificial anode	1.10-1.18	1.05-1.12	≥2600	≥90
Highly activated aluminum alloy sacrificial anode	1.45-1.50	1.40-1.45	≥2080	≥70