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Recrystallized Silicon Carbide Ceramic Three Hole Slotted Plate
Product Overview
The Recrystallized Silicon Carbide (RSiC) Three-Hole Slotted Plate is a premium kiln furniture solution engineered for high-temperature sintering and firing applications. Manufactured from high-purity, highly active SiC raw materials through an ultra-high-temperature recrystallization process (exceeding 2200°C), this advanced ceramic plate delivers exceptional performance in the most demanding thermal environments.
The "three-hole slot" design enables efficient product loading, improved airflow, and enhanced thermal uniformity during the firing process, making it an ideal choice for modern industrial kilns.
Key Features & Advantages
Ultra-High Purity - SiC content ≥99%, with no sintering aids or secondary phases. This binder-free composition eliminates contamination risk for high-value products requiring strict purity control.
Excellent Thermal Shock Resistance - Unique recrystallized microstructure and high thermal conductivity withstand rapid temperature changes without cracking. Rated "Very Good" in thermal shock performance.
High-Temperature Strength Retention - Maintains mechanical integrity at extreme temperatures with flexural strength at 1200°C (100-110 MPa) higher than at room temperature (90-100 MPa).
Superior Thermal Conductivity - Thermal conductivity of 35-36 W/m*K at 1200°C enables rapid and uniform heat distribution, reducing thermal gradients.
Low Thermal Expansion - Coefficient of thermal expansion of only 4.6 * 10⁻⁶/K up to 1200°C minimizes dimensional changes during heating and cooling.
Lightweight Design - Bulk density of 2.65-2.75 g/cm³ reduces structural load on kiln furniture systems, enabling lighter kiln car designs and energy savings.
Excellent Oxidation Resistance - Forms protective SiO₂ surface layer in oxidizing atmospheres, preventing further degradation and extending service life.
Long Service Life - Combines high-temperature strength, creep resistance, and oxidation resistance for extended operational lifespan under continuous thermal cycling.
Technical Specifications
Property
Unit
Value
Chemical Composition (SiC)
%
≥99
Bulk Density
g/cm³
2.65-2.75
Apparent Porosity
%
≤17
Flexural Strength at 20°C
MPa
90-100
Flexural Strength at 1200°C
MPa
100-110
Compressive Strength at 20°C
MPa
300
Hardness (Vickers)
kg/mm²
1800-2000
Fracture Toughness
MPa*m¹/²
1.8-2.0
Thermal Conductivity at 1200°C
W/m*K
35-36
Thermal Expansion Coefficient (up to 1200°C)
*10⁻⁶/K
4.6
Thermal Shock Resistance
-
Very Good
Maximum Working Temperature (Oxidizing)
°C
1650
Applications
Ceramic Firing
Porcelain tableware, sanitary ware, and art ceramics
Advanced Ceramics
Al₂O₃, ZrO₂, mullite, and honeycomb ceramics
Electronic Ceramics
Magnetic materials, capacitor ceramics, and substrate firing
Powder Metallurgy
Metal powder sintering and processing
Lithium Battery Materials
High-temperature processing of cathode and anode materials
Customization Options
We offer comprehensive customization services to meet your specific requirements:
Dimensions - Custom sizes and thicknesses available
Hole Configurations - Custom hole patterns, diameters, and spacing
Surface Finishing - Precision grinding, lapping, and polishing
Edge Processing - Chamfering, rounding, and special edge profiles
Coating Options - One-side or double-side coatings upon request
Why Choose RSiC?
While dense SiC materials (such as SSiC) offer higher absolute strength, RSiC provides a unique combination of properties that make it the preferred choice for many kiln furniture applications:
Superior thermal shock resistance - critical for rapid firing and thermal cycling processes
Lightweight construction - reduces kiln car weight and energy consumption
Cost-effective - excellent price-to-performance ratio for large-scale production
Proven reliability - decades of successful use in industrial kiln environments
Ordering Information
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