• Special alloy developed Pb Ca Ag 0.35%
• Special rolling technique (hot rolling)
• Advantages compare to other Cast or rolled anodes using Pb Ag alloy
• Fast conditioning
• Excellent corrosion resitance
• Longer service life
• Current density
• One year warranty provided on anodes used in proper condition

• Increases electrical conductivity
• Lowers oxygen overpotential
• Resists against anode passivation
• Enhances corrosion resistance
•  increases time for initial conditioning process

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Patent number: 1147247 Title: IMPROVED ELECTROWINNING ANODE AND METHOD OF MAKING SUCH ANODE IPC: C25C 7/02 Application: 999685142 1999/12/20 Owner: RSR Technologies, Inc.; Priority: 221082 US 1998/12/28 US Patent 6224723 - Electrowinning anodes which rapidly produce a protective oxide coating

An anode for use in zinc electrowinning is described. The anode is made of a lead-silver alloy which has been cast as a billet rolled and subjected to heat treatment either during or after rolling. The temperature of treatment is high enough to cause recrystallization of the alloy and to prevent precipitation of any alloying elements. The anode has a surface grain structure which facilitates rapid oxidation of the anode to condition the anode. The anode preferably contains at least 0.03 to 0.45% silver and 0.08% calcium.

Europeen patent N° 1 147 247 delivered : 2 mai 2003 Name : RSR Technologies Inc

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