What is Silicon Carbide for Kiln Furniture?
Silicon carbide is a synthetic, ultra-hard material with high thermal conductivity and chemical resistance. In kiln furniture manufacturing, SiC acts as a key component for shelf plates, setters, and supports used in high-temperature furnaces.
High-purity SiC enhances heat transfer, reduces thermal gradients, and minimizes warping and cracking of ceramic products during firing. Its chemical stability ensures no contamination or reaction with ceramic glazes and bodies, making it ideal for precision ceramic and advanced refractory applications.
Applications in Kiln Furniture Manufacturing
High-purity SiC powder is essential in producing high-performance kiln furniture across multiple industries:
Ceramic Industry: Shelf plates, setters, kiln supports, and trays for tableware, sanitary ware, and decorative ceramics.
Advanced Ceramics: Supports for technical ceramics requiring precise thermal control and minimal warping.
Refractory Applications: High-temperature kilns used in metallurgy, glass, and industrial ceramics.
Industrial Furnaces: Heat-resistant supports for sintering, calcination, and other high-temperature processes.
Electronic Ceramics: SiC-based supports for semiconductor and dielectric material firing.
Controlled particle size, high thermal conductivity, and chemical inertness ensure uniform heat distribution, reduced energy consumption, and extended kiln furniture life.
Why Choose High-Purity SiC for Kiln Furniture?
High-purity SiC powder provides several advantages for kiln furniture:
Superior Thermal Conductivity – Promotes uniform heating and faster firing cycles.
High Temperature Stability – Maintains structural integrity at temperatures up to 1600–1800°C.
Mechanical Strength – Resists bending, cracking, or warping under heavy ceramic loads.
Chemical Resistance – Prevents reactions with glazes, fluxes, and ceramic bodies.
Uniform Particle Size – Ensures consistent sintering and dimensional stability.
Cost Efficiency – Reduces kiln furniture replacement frequency, energy consumption, and product defects.
These advantages make high-purity SiC the material of choice for industrial ceramic kilns and advanced refractory applications.
Technical Specifications
| Item | Value |
|---|---|
| SiC Content | ≥ 97% |
| Particle Size | 1–5µm, 5–20µm, 20–50µm |
| Color | Black / Green |
| Fe2O3 | ≤ 0.5% |
| Hardness | Mohs 9–9.5 |
| Bulk Density | 2.5–3.0 g/cm³ |
| Packing | 25kg bag / 1MT jumbo bag |
Custom particle sizes and formulations are available for optimized kiln furniture performance.
Advantages of SiC in Kiln Furniture
High-purity SiC enhances kiln furniture performance in multiple ways:
Uniform Heat Distribution – Ensures consistent firing results and reduces ceramic defects.
High Thermal Stability – Maintains shape and strength at extreme temperatures.
Mechanical Durability – Resists bending, cracking, or breakage under heavy loads.
Chemical Inertness – Protects ceramics from contamination or reactions during firing.
Extended Furniture Life – Reduces replacement frequency and production downtime.
Energy Efficiency – Promotes faster, uniform heating, lowering energy costs.
Packaging and Delivery
SiC powder is supplied in 25kg bags or 1MT jumbo bags for industrial kiln furniture production. Typical delivery is 7–15 days depending on order quantity. Custom particle sizes and packing options are available to meet specific production requirements.
FAQ
1. Can this SiC powder be used for all types of kiln furniture?
Yes, it is suitable for shelf plates, setters, trays, and other kiln supports used in ceramic, advanced ceramic, and refractory manufacturing.
2. Which particle sizes are recommended for kiln furniture?
1–5µm for fine surface sintering, 5–20µm for intermediate layers, and 20–50µm for structural support layers. Custom blends are available.
3. How does high-purity SiC improve kiln furniture performance?
High-purity SiC ensures uniform thermal conductivity, high mechanical strength, chemical stability, and minimal deformation during high-temperature firing.
4. Can it withstand high-temperature firing?
Yes, it is stable at temperatures up to 1600–1800°C depending on furniture design.
5. Is it chemically resistant to glazes and fluxes?
Yes, high-purity SiC is inert and does not react with glazes, fluxes, or ceramic bodies.
6. What packaging options are available?
25kg bags for small-scale production and 1MT jumbo bags for industrial-scale manufacturing. Custom packaging is available.
7. How is quality controlled?
Strict control of particle size distribution, ≥97% SiC purity, and batch testing ensures reliable performance and uniform kiln furniture quality.
Get Bulk Price for High Purity Silicon Carbide Powder for Kiln Furniture
Optimize kiln furniture performance, durability, and thermal efficiency with our high-purity SiC powder. Contact us for quotation, technical guidance, and sample delivery.
Email: market@zanewmetal.com
WhatsApp: +86 15518824805
Trusted Silicon Carbide Supplier – Quality · Experience · Factory Strength
All silicon carbide products are manufactured under strict ISO9001 quality management systems and supported by third-party inspection. COA, SDS, and REACH documentation are available to ensure smooth international trade.

01
30+ Years of Experience
With over three decades of industry expertise, ZhenAn deeply understands silicon carbide production, application requirements, and global market standards-helping customers reduce cost and improve performance.
02
Consistent Quality & Reliable Supply
Every batch is rigorously tested for SiC purity, Fe₂O₃ content, and particle size distribution. Mature production lines and large-scale output ensure stable supply for long-term cooperation worldwide.
03
Focused Product Range & OEM Service
Specialized in black and green silicon carbide (88% & 90%), with customized particle sizes, packaging, and private labeling available to meet specific customer or distributor needs.
04
Fast & Professional Support
Quick quotation within 24 hours and experienced technical team to assist with product selection and application optimization.
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