The Xintai High Purity Graphite Rod is manufactured from premium-grade, high-carbon graphite materials with exceptional purity and consistency. Designed for applications that require superior thermal conductivity, low ash content, and chemical stability, these rods can perform reliably under extreme temperatures and corrosive environments.
Technical Specifications
| Item | Unit | φ250-400 | φ450-600 |
|---|---|---|---|
| Resistivity Max (uΩm) | Electrode | 6.2 | 6.5 |
| Nipple | 4.5 | 4.5 | |
| Flexural Strength Min (MPa) | Electrode | 11.0 | 11.0 |
| Nipple | 20.0 | 20.0 | |
| Elastic Modulus Max (GPa) | Electrode | 12.0 | 12.0 |
| Nipple | 16.0 | 16.0 | |
| Bulk Density Min (g/cm³) | Electrode | 1.66 | 1.66 |
| Nipple | 1.74 | 1.74 | |
| C.T.E Max (10⁻⁶/°C) | Electrode | 2.0 | 2.0 |
| Nipple | 1.6 | 1.6 | |
| Ash Max (%) | Electrode | 0.3 | 0.3 |
| Nipple | 0.3 | 0.3 |
Key Features
High Purity Material: Carbon content ≥ 99%, ensuring minimal impurities and contamination.
Excellent Thermal Conductivity: Promotes efficient and even heat transfer in furnace or heating systems.
Low Electrical Resistivity: Provides stable and efficient current flow in electrochemical and EDM applications.
Superior Temperature Resistance: Operates safely above 3000°C without deformation.
Oxidation & Corrosion Resistance: Excellent durability in both oxidizing and reducing atmospheres.
Smooth Machined Surface: Precisely processed for tight dimensional tolerance and easy installation.
Customizable Dimensions: Available in different diameters, lengths, and grades to suit specific applications.
Typical Applications
The high purity graphite rod is suitable for a variety of industries and uses, including:
Laboratory heating and crucible supports
High-temperature industrial furnaces
Metal melting and refining processes
Chemical reaction equipment
Electrolysis and electroplating systems
Semiconductor and solar crystal growth
EDM (Electrical Discharge Machining) electrodes
Glass and ceramics industries
Production Details
Each Xintai High Purity Graphite Rod is manufactured through a rigorous production process:
Raw Material Selection: Premium petroleum coke and needle coke are selected for high carbon content and low impurities.
Forming & Baking: Graphite rods are molded and baked to enhance mechanical strength and stability.
Graphitization: Heated above 2800°C to increase conductivity and purity.
Machining & Finishing: Advanced CNC machining ensures precision dimensions and smooth surfaces.
Quality Testing: Each batch is inspected for purity, resistivity, and structural integrity before shipment.
Packing and Shipping Details
Packing: Each graphite rod is wrapped in a plastic film, cushioned with foam or kraft paper, and packed in strong wooden cases or pallets to prevent damage during transportation.
Labeling: Each package is clearly marked with product grade, batch number, and specifications.
Shipping Methods:
By sea (recommended for bulk orders)
By air or express (for urgent or small quantity orders)
Delivery Time: Typically 7–15 working days depending on order quantity and customization requirements.
Frequently Asked Questions (FAQ)
Q1: What is the purity level of your graphite rods?
Our high purity graphite rods have a fixed carbon content of ≥99%, with ash content below 0.3%.
Q2: Can you supply custom dimensions?
Yes. We offer complete customization for length, diameter, and shape to fit your specific application.
Q3. What’s the difference between high purity and regular graphite rods?
High purity graphite rods have lower ash content, higher electrical conductivity, and better chemical stability, ideal for precision or high-temperature use.
Q4: Where are your products mainly exported?
We export graphite products to over 30 countries, including the Philippines, Turkey, India, Russia, and Southeast Asia.
Q5: Are you a manufacturer or a trading company?
Xintai is a professional graphite products manufacturer with over 20 years of experience in producing electrodes, rods, and graphite blocks.



















