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SNSiC (Sintered Silicon Carbide) Beams and Supports are engineered to deliver maximum structural integrity and performance in the most demanding high-temperature kiln environments. Designed specifically for advanced kiln furniture systems firing dinnerware, porcelain, and sanitaryware, our beams offer a superior combination of lightweight design, exceptional strength, and long-term durability.
Customizable in cross-section, wall thickness, and length to your exact tolerances, they are the optimal choice for improving kiln efficiency and product quality.
Why Choose SNSiC Over Other Silicon Carbides?
While various silicon carbide materials exist, Sintered SiC (SSiC/SNSiC) stands out for high-performance kiln applications. The table below compares SNSiC's key properties with other common types, highlighting its advantages for structural kiln furniture.
Table 1: Comparison of Silicon Carbide Types for Kiln Furniture
Material Type
Max Working Temperature
Key Properties
Best Suited for Kiln Furniture?
Sintered SiC (SNSiC/SSiC)
Up to 1600 °C
High Strength, Excellent Corrosion & Oxidation Resistance, Low Porosity
✅ YES - Ideal for high-load, long-life beams and supports
Recrystallized SiC (RSiC)
Up to 1600°C
High Thermal Shock Resistance, Porous Structure
⚠️ LIMITED - Excellent for tiles, but lower strength than SNSiC for heavy beams
Nitride-Bonded SiC (NSiC)
Up to 1450°C
Good Oxidation Resistance, Cost-Effective
⚠️ LIMITED - Lower temperature ceiling and strength than SNSiC
Silicon-Infiltrated SiC (SiSiC)
Up to 1350°C
High Thermal Shock Resistance
❌ NO - Lower maximum temperature limit
Table 2: Key Material Properties of SNSiC Beams & Supports
Property
Unit
Value (SNSiC)
Benefit for Your Kiln
Main Composition
%
>99% SiC
Ensures purity and superior high-temperature performance
Bulk Density
g/cm³
3.0 - 3.1
High density translates to exceptional mechanical strength and load capacity
Porosity
Vol-%
< 5%
Extremely low porosity prevents gas infiltration, enhancing oxidation resistance and longevity
Flexural Strength
MPa
370 - 420
Outstanding resistance to bending and fracture under heavy loads at temperature
Thermal Conductivity
W/(m*K)
~125
Promotes rapid, even heat distribution, reducing firing times and improving energy efficiency
Max Use Temperature
°C
1600
Future-proofs your kiln for a wide range of ceramics and firing schedules
Key Features & Benefits
Maximize Kiln Capacity & Efficiency
High Strength-to-Mass Ratio: Our SNSiC beams sustain very high loading weights with less mass, allowing you to stack ware higher and denser, significantly improving kiln throughput.
Superior Thermal Conductivity: Facilitates faster heating and cooling cycles, slashing energy consumption and increasing overall production efficiency.
Unmatched Durability & Long-Term Performance
Excellent Creep Resistance: Guarantees permanent flatness retention and structural integrity over thousands of firing cycles, eliminating warping and ensuring consistent product quality.
Superior Oxidation & Corrosion Resistance: Withstands aggressive kiln atmospheres, preventing surface degradation and extending service life far beyond that of alternative materials.
Exceptional Thermal Shock Resistance: Performs flawlessly under rapid temperature changes, minimizing the risk of cracking or failure during aggressive firing schedules.
Applications
Structural Beams and Supports for Tunnel Kilns and Periodic Kilns
Firing of Technical Ceramics, Sanitaryware, Porcelain, and Fine Dinnerware
High-Temperature Sintering and Heat Treatment Processes
Request Your Custom Quote
Optimize your kiln furniture with beams designed for performance and longevity. Contact us today to discuss your specific requirements for cross-sections, lengths, and tolerances. Our engineering team is ready to provide a solution that boosts your productivity and reduces your total cost of ownership.
