GB 4948 Aluminum anode for seawater/ pipelines / tanks / boilers / piers
1. High current capacity gives most suitable for large-sized long life anode.
2. Small anodic polarization tendency gives stable protective current throughout anode life.
3. Optimum diving voltage without over-protection.
4. Uniform anode consumption.
5. No hydrogen hazard due to its very low rate of generation.
Why choose Aluminum anodes ?
•Aluminum anodes are not so active that they are dangerous in salt or brackish water as are
magnesium anodes.
•Aluminum anodes will last longer because of their increased current capacity.
•Aluminum is the only anode material that can be used safely in all types of water.
•Aluminum anodes are 2 ½ times lighter than zinc making them much easier to carry home from the store!
•Aluminum is a much better alternative than zinc as far as the environment is concerned, since it is not considered a pollutant.
Standard :GB 4948 or America standard
Chemical Composition Analysis (%)
| Type | Zn | In | Cd | Sn | Mg | Si | Ti | Impurity ,less than | Al |
| Si | Fe | Cu |
| Al-Zn-In-Cd A11 | 2.5-4.5 | 0.018-0.050 | 0.005-0.020 | - | - | -- | - | 0.10 | 0.15 | 0.01 | Balance |
| Al-Zn-In-Sn A12 | 2.2-5.2 | 0.020-0.045 | - | 0.018-0.035 | - | - | - | 0.10 | 0.15 | 0.01 | Balance |
| Al-Zn-In-Si A13 | 5.5-7.0 | 0.025-0.035 | - | - | - | 0.10-0.15 | - | 0.10 | 0.15 | 0.01 | Balance |
| Al-Zn-In-Sn-Mg A14 | 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-Ti A21 | 4.0-7.0 | 0.02-0.050 | - | - | 0.50-1.50 | - | 0.01-0.08 | 0.10 | 0.15 | 0.01 | Balance |
Contact me for more details:
Vivian Jiang
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China Hunan High Broad New Material Co.Ltd.
70 Chezhan North Road,Changsha, China 410100
Tel:+86-731-85717705 Fax:+86-731-85716569
Mobile/Whatsapp: +86-139-7488-3816
Email: vivian@hbnewmaterial.com
Skype: vivian.jjy
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GB 4948 Aluminum Sacrificial Anode For Seawater / Pipelines / Tanks / Boilers / Piers Images
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