- Englist
High Purity Carbon Graphite Crucibles China Factory and Suppliers
Our 99% High Purity Carbon Graphite Crucibles are engineered for demanding industrial applications, specifically designed for the high-temperature melting and refining of non-ferrous metals. Utilizing a premium blend of high-density graphite, clay, and silica, these crucibles provide an exceptional thermal environment for smelting copper, brass, gold, silver, zinc, lead, and their respective alloys, ensuring maximum purity and minimal contamination.
Designed for versatility and durability, these crucibles excel in both protective atmospheres—where they can withstand temperatures exceeding 2000°C—and standard industrial settings. Whether you are operating in the jewelry industry for noble metal refining or in heavy metallurgy for sintering hard metals, our customizable graphite solutions provide the structural integrity and thermal conductivity required to optimize your production efficiency.
Detailed Parameters
| Refractoriness | > 2000 ºC | Flexural Strength | 38-60 MPa |
|---|---|---|---|
| Compressive Strength | 65-135 MPa | Density | 1.78-1.85 g/cm3 |
| Carbon Content | High-Carbon / 99% Purity | Shape | Cylindrical (Customizable) |
| Production Capacity | 3000 Tons/Month | Origin | China |
| Packaging | Wooden Cases (Plywood) | Diameter | Custom Specification |
Key Advantages
Extreme Heat Resistance
Capable of enduring temperatures over 2000°C in protective atmospheres, ensuring stability during intense refining processes.
Extended Service Life
High-density construction and ablation-resistance allow for repeated use, significantly reducing replacement costs.
Superior Conductivity
Excellent thermal conductivity ensures rapid and uniform heating of molten metals, optimizing energy consumption.
High Purity Grade
99% purity prevents impurities from leaching into noble metals like gold and platinum during the melting phase.
Strong Corrosion Resistance
Specially formulated to resist chemical erosion from molten non-ferrous metals and various alloys.
Fully Customizable
We provide bespoke machining of diameters and shapes to meet the exact technical requirements of your furnace.
Product Gallery
Management Platforms
Factory Direct Supply
Directly from our 18,000m² workshop, eliminating middlemen to ensure cost-efficiency.
Precision Machining
Equipped with advanced CNC machinery for high-precision customization of all graphite products.
Quality Assurance
Strict control over ash content and density to meet international metallurgy standards.
Massive Capacity
Monthly production of 3,000 tons ensuring timely delivery for large-scale industrial orders.
Global Logistics
Experienced in FOB, CFR, and CIF terms with secure plywood packaging for international transit.
Technical Support
Expert guidance on graphite selection for semiconductor, oil, and chemical industry applications.
Investment Return Comparison
| Standard Graphite | Nalai High Purity Graphite |
|---|---|
| Moderate | Excellent (>2000°C) |
| Medium | Ultra-Low (99% Purity) |
| Standard | Extended (Ablation Resistant) |
| Limited | Full Bespoke Machining |
| Baseline | High (Optimized Conductivity) |
Frequently Asked Questions
Our crucibles are ideal for non-ferrous metals, including gold, silver, platinum, copper, brass, zinc, lead, and their various alloys.
In an oxygen atmosphere, oxidation typically begins at 700-800°C. For temperatures above this, a protective atmosphere is required to reach up to 2000°C.
Yes, we provide full customization services. We can machine various diameters and shapes according to your specific furnace requirements.
The minimum order quantity is generally 1 ton, though we can discuss specific needs for custom-machined small batches.
To prevent damage during transit, all products are securely packed in high-quality wooden cases (plywood) suitable for sea or land transport.
The standard delivery time is approximately 2-3 weeks after the deposit has been received.
Request a Technical Quote for High Purity Graphite Crucibles
Contact Us
