What Is Titanium anodes for cathodic protection of reinforced concrete buildings and How to Choose the Right One for Your Industry?
Titanium anodes for cathodic protection of reinforced concrete buildings are advanced electrochemical components designed to prevent steel reinforcement corrosion inside concrete structures. In reinforced concrete, steel bars are constantly exposed to moisture, chloride ions, and environmental stress, which can lead to corrosion, cracking, and structural failure over time. Titanium anodes solve this issue by delivering a controlled protective current that stops electrochemical corrosion reactions on steel surfaces.
These anodes use MMO coating technology, typically based on RuO₂–IrO₂, to ensure high catalytic efficiency and long service life. They are widely used in bridges, tunnels, marine structures, parking buildings, coastal infrastructure, and industrial concrete facilities. Compared with traditional repair methods, cathodic protection using titanium anodes provides continuous protection without major structural replacement.
Selecting the right anode requires careful consideration of concrete resistivity, chloride concentration, structure size, and required current density. Proper system design ensures uniform protection and long-term durability of reinforced concrete structures in harsh environments.
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Superior Corrosion Resistance、Ultra-Long Service Life、High Electrocatalytic Activity & Efficiency、Eco-Friendly、Low Maintenance





Customization Available (Size, Material, Coating, Shape, Lifespan & Installation)

Titanium anodes for cathodic protection of reinforced concrete buildings can be fully customized according to industrial requirements:
At Hengyi Ti-Ni Import Export, we specialize in titanium-based electrochemical materials with strong engineering capability in anode system design.
HY Ti-Ni Import & Export is a professional manufacturer of titanium anodes for reinforced concrete cathodic protection systems. Located in Baoji High-tech Development Zone, China, we benefit from a complete titanium industrial chain and advanced coating technology. Our products are designed for high corrosion resistance, stable current output, and long-term structural protection.
We provide full customization, strict quality control, and engineering support for global infrastructure projects. Each product is tested under international standards to ensure reliability in harsh concrete environments. With strong technical expertise and responsive service, we help clients extend structure lifespan and reduce maintenance costs.
When selecting a titanium anode for reinforced concrete protection, the first step is to analyze the structure type, such as bridges, tunnels, or marine buildings. Different structures require different current distribution designs and anode layouts.
Next, evaluate environmental conditions, including chloride exposure, humidity, and concrete resistivity. These factors directly influence anode performance and system design.
You should also determine installation type, such as embedded mesh systems, ribbon anodes, or discrete point anodes. Each structure requires a different configuration for uniform protection.
Coating selection is also important. Ru-based MMO coatings provide stable long-term performance under continuous operation. Finally, ensure supplier capability in engineering design, OEM customization, and long-term technical support.
Purchase Guide
1. What is a Titanium anodes for cathodic protection of reinforced concrete buildings? |

What Is Titanium anodes for cathodic protection of reinforced concrete buildings?
It is a titanium-based MMO electrode system used to prevent corrosion of steel reinforcement in concrete structures. It works by applying a small protective current that stops electrochemical corrosion reactions, significantly extending the lifespan of buildings and infrastructure.
| Parameter | Typical Range |
|---|---|
| Base Material | Titanium Gr1 / Gr2 |
| Coating Type | RuO₂–IrO₂ / Mixed Metal Oxide |
| Current Density | 10 – 100 mA/m² |
| Operating Voltage | 1.0 – 5.0 V |
| Service Environment | Concrete / Marine / Industrial |
| Temperature Range | -10°C to 80°C |
| Design Life | 10 – 30 years |
| Installation Type | Embedded / Surface-mounted / Mesh system |
| Type | Structure | Application |
|---|---|---|
| Mesh Anode | Expanded mesh structure | Large concrete surfaces |
| Ribbon Anode | Flexible strip design | Bridges and tunnels |
| Rod Anode | Linear point structure | Localized protection |
| Plate Anode | Flat sheet design | Structural reinforcement zones |
| Custom System | OEM engineered design | Complex infrastructure projects |
| Type | Current Output (mA/m²) | Application Condition |
|---|---|---|
| Standard System | 10 – 30 | Low chloride environments |
| Medium Output | 30 – 60 | Urban concrete structures |
| High Output | 50 – 100 | Marine / coastal structures |
| Industrial System | 20 – 80 | Heavy infrastructure |
| Customized System | Up to 100+ | High-risk corrosion zones |

Water Treatment Industry

Electroplating Industry

Chlor-Alkali Industry

Marine Engineering

Hydrogen Energy Industry

Mining and Metal Recovery
To choose the correct system, first evaluate the structure type and corrosion risk level. Bridges and marine structures require higher current output systems, while indoor structures require lower output protection.
Next, analyze environmental exposure such as chloride concentration, humidity, and concrete quality. These parameters determine anode layout and coating selection.
Installation method is also critical. Embedded mesh systems are ideal for large surfaces, while ribbon or rod anodes are suitable for localized protection.
Finally, work with a qualified supplier that provides engineering design, customization, and long-term technical support to ensure stable cathodic protection performance.

Q1: How long does the system last?
Typically 10–30 years depending on environment.
Q2: Is it suitable for marine structures?
Yes, it is widely used in coastal infrastructure.
Q3: Can it be customized?
Yes, all sizes and structures can be customized.
Q4: Does it require maintenance?
Very low maintenance after installation.
Q5: What is the main advantage?
It prevents corrosion without replacing concrete structures.
Production site
State-of-the-art manufacturing for titanium anodes, precision coating and quality control.
Choseing titanium substrate
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Substrate Cutting
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Sandblasting
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Pickling
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Laser Cutting Configure Precious
Metal
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Coating
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Sintering
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Packaging
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Workshop
Precision machining and coating workshop for titanium anodes.
Titanium anode coating workshop
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Thermal decomposition sintering furnace workshop
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Titanium mesh anode production area
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Pickling/surface treatment process
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Pickling/surface treatment process
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Quality inspection workshop
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Worker operation photos
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Panoramic view of a clean production line
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Quality inspection
Rigorous testing for coating adhesion, electrochemical performance, and durability.
Dimension Inspection
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Coating Thickness Testing
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Coating Adhesion Testing
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Microstructure Analysis
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Conductivity Testing
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Corrosion Resistance Testing
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Bond Strength Testing
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Final Inspection & Packaging
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Packaging
Professional packaging to prevent damage and corrosion during transportation.
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Certifications
International certifications ensuring quality and environmental compliance.




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