Our premium Graphite Crucibles are specifically engineered for high-precision gold jewelry casting and recasting processes. Manufactured using high-purity artificial graphite powder and advanced binding agents, these crucibles are produced through a rigorous process of double-axis stirring, precision pressing, and controlled firing to ensure maximum structural integrity and thermal stability.
Designed to withstand extreme temperatures and corrosive molten metals, our graphite crucibles provide an ideal environment for jewelry smiths and industrial refiners. By combining high mechanical strength with exceptional thermal conductivity, they ensure uniform heating and efficient melting cycles, minimizing metal loss and maximizing the purity of your precious metal casts.
| Model NO. | NaLai-Graphite Crucible-006 | Origin | China |
|---|---|---|---|
| Flexural Strength | 38-60 MPa | Compressive Strength | 65-135 MPa |
| Production Capacity | 900 ton/Year | Material | Artificial Graphite Powder |
| Application | Metal Melting/Casting | Packaging | Wooden Cases (Plywood) |
| Specification | Customized | Sample | Available |
Engineered to resist chemical erosion and molten metal reactions, ensuring long-term durability in harsh environments.
Optimized heating structure provides consistent temperature distribution for flawless casting results.
High chemical purity prevents contamination of precious metals, maintaining the value and quality of gold jewelry.
Excellent electrical load capabilities for induction furnace applications, increasing energy efficiency.
High compressive and breaking strength prevents cracking under thermal shock or heavy loads.
Superior resistance to oxidation at high temperatures, extending the service life of the crucible.
Strict selection of artificial graphite powder and petroleum coke to ensure base material consistency.
Utilizing insulated double-axis stirring drums for precise proportional mixing of ingredients.
High-pressure molding systems ensure high density and minimal porosity in every crucible unit.
Strict drying and firing cycles in professional furnaces to maximize structural stability.
Testing for compressive strength and resistivity to ensure every batch meets industry standards.
Secure packaging in plywood wooden cases for safe international transit via FOB, CFR, or CIF.
| Feature | Standard Graphite | Nalai Premium Graphite |
|---|---|---|
| Density (g/cm3) | 1.5 - 1.7 | Up to 1.9 |
| Compressive Strength | Low-Medium | Up to 84 MPa |
| Thermal Stability | Moderate | Superior / High Resistance |
| Service Life | Standard | Extended (High Durability) |
| Purity Level | Industrial Grade | High Chemical Purity |
Our minimum order quantity is 20 tons, which corresponds to one 20' FCL (Full Container Load).
Typically, the delivery time is 2-3 weeks after the deposit has been received.
Yes, we offer customized specifications to meet your exact jewelry casting or industrial melting requirements.
We use high-quality artificial graphite powder, petroleum coke, and needle coke, with coal pitch as a binder to ensure premium strength.
We provide flexible shipping terms including FOB, CFR, and CIF to ensure convenient delivery to your port.
We are a direct factory with an 18,000m2 workshop and approximately 100 employees using advanced machinery.
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