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High-Purity Pressureless Sintered SiC Crucible | 1800°C Resistance, Fast Heat Transfer
Product Description
Our pressureless sintered silicon carbide (SSiC) crucible is engineered for the most demanding high-temperature applications. Manufactured from ultra-high-purity SiC powder via advanced sintering technology, it delivers unmatched thermal performance and longevity. This crucible is the ideal solution for metal melting, advanced material synthesis, and any process requiring a container free from metallic contamination, offering superior resistance to thermal shock, corrosion, and extreme heat.
Key Features & Benefits
Guaranteed Purity & Zero Contamination Crafted from ≥98% pure SiC with minimal sintering aids, our crucible ensures absolutely no metal ion introduction. This is critical for melting high-purity metals and producing advanced battery materials.
Exceptional High-Temperature Performance With a maximum service temperature of 1650 °C in air and suitability for inert atmospheres up to 1800 °C, it significantly outperforms traditional alumina or quartz crucibles.
Rapid Heating for Energy Savings High thermal conductivity (196 W/(m *K) at 20°C) enables fast heat transfer, drastically reducing melting cycles and process times to lower your energy costs.
Superior Thermal Shock Resistance Withstands rapid temperature changes exceeding Δ T 350°C without cracking. Its low thermal expansion coefficient (4.0 * 10⁻⁶/K) ensures structural integrity during quick heating or cooling.
Outstanding Mechanical Strength & Lifespan High Vickers hardness (2350 kg/mm ²) and flexural strength (320-400 MPa) provide excellent resistance to physical abrasion and mechanical stress, leading to a much longer service life and reduced replacement costs.
Technical Specifications
Property
Unit
SSiC Value
Composition: SiC
Vol%
≥ 98
Density
g/cm³
≥ 3.06
Open Porosity
Vol%
≈ 0
Vickers Hardness (HV1)
kg/mm²
2350
Thermal Conductivity @ 20 °C
W/(m*K)
196
Flexural Strength @ 20 °C
MPa
320 - 400
Modulus of Elasticity
GPa
410
Max. Service Temp (in air)
°C
1650
Thermal Shock Resistance ( ΔT)
°C
> 350
Applications Across Industries
Metallurgy: Melting of gold, silver, copper, aluminum, zinc, and their alloys
Semiconductors & Electronics: Crystal growth and purification of high-purity materials
Lithium-Ion Battery Materials: Sintering of cathode and anode materials
Research & Development: High-temperature reactions, thermal analysis, and material testing
Chemicals & Ceramics: Serving as high-temperature reaction vessels and for powder sintering
Customization & Manufacturing
We specialize in providing fully customizable solutions. Our crucibles are formed and pressureless sintered at extreme temperatures (2000-2150°C), resulting in a fully dense, pore-free microstructure that guarantees consistent performance and reliability for your specific process requirements.