platinum coated titanium wire
Titanium platinum plating is to coat a layer of platinum on a titanium base material. It uses a conductive transition layer between platinum and titanium combined with post-plating heat treatment to firmly combine the plating layer with the base material, thereby solving the problems found in traditional platinum plating processes such as coating thickness limitations and easy shedding of coatings. This advanced process is particularly well-suited for manufacturing high-performance Platinum coated titanium wire, meeting the stringent requirements for insoluble anodes used in general precious metal aqueous solution electroplating tanks.
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First, the titanium substrate is placed in an acidic solution to remove the oxide film and form an activated titanium hydrogenation film on the surface. This step is crucial for achieving the strong adhesion needed in applications like Platinum coated titanium wire, as a quasi-metallic bond is formed between the titanium matrix, titanium hydride, and the subsequent coating metal, thereby obtaining good coating adhesion.
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Secondly, after rinsing the platinum coating, use an immersion plating solution to quickly activate the titanium substrate. This activation step ensures optimal bonding whether the product requires overall platinum plating or partial platinum plating. The surface of the product, such as finished Platinum coated titanium wire, after this special surface treatment process is dense and exhibits a uniform silvery white appearance.
Product parameters
| Base material |
Gr1 |
| Electroplated metal |
99.99% Pt |
| Platinum thickness |
0.5～15μm |
| Platinum content |
22.45g/㎡/μm |
| Operating temperature |
＜85% |
| Working environment |
PH:0～14 |
| Advantage | The coating output current is large,uniform and smooth,firmly bonded and has a long service life. |
Titanium platinum plating process
Substrate preparation: Select a substrate suitable for platinum plating and ensure that the surface of the substrate is smooth,clean,and free of oxides,oil,and other impurities.
Cleaning and surface treatment: Remove the oxide layer and dirt on the surface of the substrate through mechanical cleaning or chemical cleaning to ensure good contact with the plating solution.
Activation treatment: Treat the surface of the substrate with an alkaline or acidic activator to improve the adhesion of the platinum coating.
Plating solution preparation: Prepare an electrolyte suitable for platinum plating,containing platinum salts and other additives to adjust the thickness,gloss and uniformity of the coating.
Electrolytic platinum plating: The pretreated substrate is placed in the plating solution and used as a cathode or anode for electrolysis. By applying appropriate current and potential,a uniform and dense platinum layer is deposited in the plating solution.
Cleaning and post processing: Clean the workpiece after platinum plating to remove residual electrolyte and other impurities.Drying, polishing or other post treatment processes can be performed to further improve surface quality and appearance.
Quality inspection: Quality inspection of platinum-coated workpieces is performed to ensure that properties such as uniformity,thickness, corrosion resistance and adhesion are met.Readjust or process as required.
Application areas
Mainly used in:
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Electroplating
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Biomedicine
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Chemical synthesis
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Cathodic protection
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Other fields
Advantages of insoluble anodes for electroplating
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It can reduce the tank voltage,save energy significantly,have high stability,does not pollute the plating solution,and is easy to replace
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It has good stability (chemical, electrochemical) and long service life during the electroplating process
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Platinum has a higher oxygen evolution overpotential than MMO.
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It is simple to use,just rinse it before putting it into the plating tank,rinse it after use,and store it dry.
Platinum coating inspection
Platinum coating inspection
Platinum coating inspection
| Test items | Test Conditions | Eligibility conditions |
| Uniformity Test | Fluorescence X-ray spectrometer | ≤15% |
| Coating thickness | X-ray fluorescence spectrometer | 0.1-15μm |
| Enhance lifespan |
40000A/m2,1mol/L H2SO4,40±2℃ |
≥150h(1μm) |
Products features
The coating is more uniform
Smoother surface
Longer service life
Surface treatment technology is more advanced
Ehisen platinum coated titanium wire product inspection
Platinum-coated titanium wire bending test
| Test items | Test Conditions | Eligibility conditions |
| Binding test | 3M tape | No black marks on the tape |
| Bend 90° on OD12mm round shaft | NO peeling at the bend and No peeling |
How to store platinum coated titanium wire
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Anode cleaning: |
Make sure the anode surface is clean and free of any oxides,dirt or other impurities,using suitable methods and cleaning agents. |
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Control the ambient humidity: |
Try to keep the humidity of the anode storage environment stable and avoid drastic changes in humidity or excessive humidity to reduce the potential risk of anode corrosion. |
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Keep dry: |
Before storing, let the titanium platinum coated wire dry completely to ensure there is no residual moisture,as humid conditions can cause corrosion of the platinum layer. |
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Dark storage: |
Place platinum coated products in a dark environment to prevent the anode surface from being exposed to sunlight and other light sources.Prolonged exposure to light may cause discoloration of the platinum layer or other quality issues. |
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Dust-proof method: |
Pack platinum-plated products with suitable dust proof paper or packaging materials to prevent contact with impurities, dust and other substances that may cause damage to the anode. |
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Periodic Inspections: |
Periodically inspect stored platinum coated anodes to ensure their surface integrity.If abnormalities are found,appropriate measures should be taken promptly,such as repair,re-cleaning,and replacement. |
FAQ
FAQ
01.What are the benefits of platinum-coated titanium wire?
02.What are the typical applications of platinum-coated titanium anode wire?
03.How does the platinum coating thickness affect performance?
04.How long do platinum-coated titanium anodes typically last?
05.Are there any specific maintenance requirements for these anodes?
06.What sizes or customizations are available for platinum-coated titanium wire?
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