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Equipped with professional factory, Taijin Industrial is the biggest China manufacturer, supplier and producer of electroplating noble metal anode. Our company can offer you corrpro vendor electrolysis, electro-deposition, electrolytic deposition, acid copper, acid zinc at competitive price.
TECHNICAL DATA SHEET
TAIJIN Electroplating ANODES FOR CATHODIC PROTECTION
TAIJIN Electroplating Noble Metal Anode is manufactured using titanium substrate which meets ASTM B348 Grade 1 or 2Standard and coated with Mixed Metal Oxides or Platinum on the external surface.
Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a coherent metal coating on an electrode. The term is also used for electrical oxidation of anions onto a solid substrate, as in the formation silver chloride on silver wire to make silver/silver-chloride electrodes. Electroplating is primarily used to change the surface properties of an object (e.g. abrasion and wear resistance, corrosion protection, lubricity, aesthetic qualities, etc.), but may also be used to build up thickness on undersized parts or to form objects by electroforming.
The process used in electroplating is called electrodeposition. It is analogous to a galvanic cell acting in reverse. The part to be plated is the cathode of the circuit. In one technique, the anode is made of the metal to be plated on the part. Both components are immersed in a solution called an electrolyte containing one or more dissolved metal salts as well as other ions that permit the flow of electricity. A power supply supplies a direct current to the anode, oxidizing the metal atoms that it comprises and allowing them to dissolve in the solution. At the cathode, the dissolved metal ions in the electrolyte solution are reduced at the interface between the solution and the cathode, such that they "plate out" onto the cathode. The rate at which the anode is dissolved is equal to the rate at which the cathode is plated, vis-a-vis the current through the circuit. In this manner, the ions in the electrolyte bath are continuously replenished by the anode.
Other electroplating processes may use a non-consumable anode such as lead or carbon. In these techniques, ions of the metal to be plated must be periodically replenished in the bath as they are drawn out of the solution. The most common form of electroplating is used for creating coins such as pennies, which are small zinc plates covered in a layer of copper.
1.Typical Working parameter in PCB Industrial:
Electrolyte: CuSO4 5H2O:100~300g/L H2SO4: 50~150 g/L
Working temperature: 20~ 70℃
Current density: 500-1000A/m2 (forward pulse current and three times the reverse pulse current. General forward pulse 19ms, reverse pulse1ms);
Coating: Iridium base mixed metal oxide
Zinc-coated steel sheet;
Electrolytic tinplate sheet;
Plating Cu, Ag, Pt;
General Metal Finishing (GMF);
Platinum plated titanium anode.