Silicon Carbide Refractories

As a trusted manufacturer and supplier of high-performance silicon carbide materials, we offer this Silicon Carbide Refractories with consistent particle size distribution, excellent hardness, and thermal resistance. It is ideal for industrial applications such as abrasive blasting, polishing, and refractory manufacturing. All grades are processed under ISO 9001:2015 certified systems to ensure quality and reliability in demanding use cases.

Silicon Carbide Refractories

High-Durability Silicon Carbide Refractories

Engineered for extreme thermal environments, our Silicon Carbide Refractories deliver outstanding heat resistance, mechanical strength, and long-term stability in kilns, furnaces, and foundry linings.

Typical Grain Size

0–25 mm (custom sizes available)

Material Form

Bricks, Castables, Powder

Suitable for applications such as burner blocks, riser tubes, and protective linings in high-temperature processing units. ISO-certified and tested for stability, abrasion resistance, and thermal shock durability.

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Why Choose Refractory Grade Silicon Carbide

Exceptional Heat Resistance

Withstands extreme temperatures above 1600°C, making it ideal for kilns, furnaces, and other high-temperature applications.

Superior Mechanical Strength

Maintains structural integrity under thermal load, reducing the risk of cracking or deformation in refractory linings.

Outstanding Thermal Shock Resistance

Performs well in rapid heating and cooling cycles, crucial for continuous operation in industrial processing units.

Chemical Inertness

Resistant to slags, acids, and alkalis—ensuring longer service life in harsh metallurgical and ceramic environments.

Technical Specifications

Technical Specifications

Property Value Test Method / Standard
SiC Content ≥ 88% GB/T 16555
Al₂O₃ ≤ 1.5% GB/T 6900
Fe₂O₃ ≤ 1.0% GB/T 6900
Bulk Density ≥ 2.5 g/cm³ ASTM C134
Apparent Porosity ≤ 16% ASTM C20
Cold Crushing Strength ≥ 90 MPa ASTM C133
Thermal Conductivity ≥ 25 W/m·K (at 1000°C) ISO 8894-1
Thermal Expansion Coefficient 4.5 × 10⁻⁶ /K ASTM E228
Maximum Service Temperature 1600–1700°C —
Form Bricks, Plates, Custom Shapes —
Packaging Options
Standard Packaging

25kg Multi-wall Bags

Ideal for small to medium volume operations
Bulk Packaging

1000kg Jumbo Bags

Cost-effective for high-volume industrial users

Industrial Applications

Kiln & Furnace Linings

Silicon carbide is ideal for lining industrial kilns, furnaces, and incinerators due to its excellent thermal conductivity and resistance to thermal shock.

Blast Furnace Walls

Used in iron and steel blast furnaces to withstand high-temperature slag and molten metal exposure, while reducing heat loss through efficient insulation.

Precast & Castable Shapes

Integrated into monolithic refractories and precast blocks for complex industrial equipment, ensuring mechanical strength and dimensional stability under load.

Explore More Refractory Uses

Looking for High-Performance Refractory Materials?

Get reliable quotes and material data for our Silicon Carbide Refractory products, engineered for kilns, ladles, blast furnaces, and thermal insulation. Our experts can assist with custom sizing and refractory design needs.

  • Fast response from technical team
  • Custom grain sizes and packaging
  • ISO-certified quality system
  • Worldwide logistics support
Request Refractory Quote Download Technical Sheet

Frequently Asked Questions

Refractory grade silicon carbide is used in high-temperature environments such as furnace linings, crucibles, and ladles. It offers exceptional thermal conductivity, corrosion resistance, and mechanical strength under extreme heat and stress.

Our refractory grade silicon carbide contains ≥88% SiC, ensuring superior thermal performance and resistance to chemical attack, suitable for both shaped and monolithic refractory products.

Yes. We provide custom grain size distributions and bulk packaging formats tailored to your production requirements—whether for castables, gunning mixes, or precast blocks.

Absolutely. All our refractory-grade silicon carbide products are manufactured under ISO 9001:2015 certified processes, ensuring quality, consistency, and traceability for international markets.

Yes. Silicon carbide’s chemical inertness makes it compatible with both acidic and basic environments, which is ideal for diverse refractory applications such as iron/steel, cement, and non-ferrous metallurgy.

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