Graphite rod for glass melting is crafted from high-purity, fine-grain graphite to ensure superior performance in high-temperature glass melting processes. It offers excellent thermal and electrical conductivity, outstanding oxidation resistance, and strong mechanical stability, making it ideal for industrial glass furnaces, laboratory applications, and other high-temperature environments. Graphite rods from Xintai Refractory provide reliable performance, long service life, and minimal contamination, ensuring high-quality glass production and energy-efficient operation.
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: Made from premium-grade graphite with minimal ash content.
Excellent Thermal Conductivity: Ensures uniform heat distribution during glass melting.
Superior Temperature Resistance: Performs reliably at temperatures up to 3000°C.
Oxidation & Corrosion Resistant: Maintains stability under harsh furnace atmospheres.
Mechanical Strength: Strong flexural and compressive strength to resist cracking.
Customizable Dimensions: Available in various diameters and lengths to suit different furnace designs.
Low Electrical Resistivity: Provides efficient current flow in electric furnaces.
Typical Applications
Xintai graphite rods are widely used in:
Glass melting furnaces and crucibles
High-temperature laboratory furnaces
Industrial heating equipment
Metal refining and casting applications
Electrochemical processes
Chemical reaction vessels
Other high-temperature industrial applications
Production Details
Raw Material Selection: Premium petroleum coke and needle coke are used for high purity and strength.
Forming & Baking: Rods are pressed and baked for structural stability.
Graphitization: Heat-treated above 2800°C to improve conductivity and density.
Machining: Precision machining ensures smooth surfaces and accurate dimensions.
Quality Control: Each rod is inspected for resistivity, density, and mechanical strength before shipment.
Packing and Shipping Details
Packing: Wrapped with plastic or foam and packed in wooden boxes or pallets to prevent damage.
Labeling: Each package is clearly labeled with product name, batch number, and specifications.
Shipping Methods:
Sea freight (recommended for bulk orders)
Air freight or express (for small or urgent orders)
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 OEM & ODM customization including length, diameter, and machining tolerance.
Q3. What is the typical lifespan of these rods in a glass furnace?
Depending on usage and furnace conditions, our rods provide long service life with low consumption rate.
Q4: Do you provide samples for testing?
Yes, small samples are available for quality evaluation before bulk orders.
Q5: What are your main export markets?
Our products are exported to over 30 countries, including Southeast Asia, Europe, the Middle East, and North America.
