Monolithic Refractories

Silicon Carbide Castable

Silicon carbide castable is for on site casting, preventing slag penetration. It's heat resistant, wear resistant and thermal shock resistant. Used in high temperature equipment of steel, cement, power and non ferrous metal industries.

SiC:76-85%
Bulk Density:≥2.24g/cm³
Feature:Wear resistant
Silicon Carbide Castable

Description of Silicon Carbide Castable

Silicon Carbide (SiC) Castable is a high-performance monolithic refractory material. It uses silicon carbide as the primary raw material, combined with refractory aggregates like corundum and alumina. Binders include activated alumina, silica fume, and pure calcium aluminate cement.

This castable is ideal for lining industrial furnaces exposed to severe conditions:

  • High temperatures
  • Intense wear
  • Strong corrosion

Key Features & Properties

  • Seamless Integrity:‌ Eliminates molten slag penetration risks.
  • Custom Formulations:‌ Adjustable composition (e.g., TGJ-85 to TGJ-76 series) for specific operating conditions.
  • Energy Efficient:‌ High thermal conductivity boosts furnace efficiency and lowers energy use.
  • Extended Lifespan:‌ Exceptional wear and corrosion resistance reduces maintenance frequency and downtime.

Technical Data of Silicon Carbide Castable

Project TGJ - 85 TGJ - 80 TGJ - 78 TGJ - 76
SiC, % ≥ 85 80 78 76
Bulk Density, g/cm³ ≥ 2.5 2.36 2.34 2.24
Compressive Strength, MPa 110 °C × 24h ≥ 45 22 36 6
1400 °C × 3h ≥ 70 52 68 22
Flexural Strength, MPa 110 °C × 24h ≥ 5.5 3.5 6.8 2.5
1400 °C × 3h ≥ 11 6 28 3.5
Linear Change after Firing, % 1400 °C 0.12 0.3 0.13 0.2
Thermal Conductivity, W/(m·K) 850 °C ≥ 8.6 3.8 3.4 3.14

Applications of Silicon Carbide Castable

  1. Steel Industry: Parts in contact with high - temperature melts, such as blast furnace troughs, ladles, and torpedo cars.
  2. Cement Industry: Areas prone to crusting, such as pre-heater cones and decomposition furnaces, to reduce crusting and blockage.
  3. Power and Non-ferrous Metal Industries: Scenarios resistant to the erosion of high-temperature molten slag, such as boiler linings and smelting furnaces.

Case of Silicon Carbide Castable

ABOUT XZK GROUP
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Product Range:
High/mid-grade sintered zirconia, corundum, AZS bricks,lightweight insulation bricks, and unshaped refractories with annual output value exceeding 500 million RMB.
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4 automated batching systems
4 high/ultra-high temperature tunnel kilns + 5 shuttle kilns
30 CNC presses (400-1500T capacity)
Digitalized workshops producing 150,000 tons/year
93 patents, including the industry-first Triple-ResistantBrick (Patent ZL201310431067.6) for glass furnaces,excelling in erosion/thermal shock resistance.
Co-drafted industry standards forandalustie/chrome-corundum/zircon bricks withChina Building Materials Academy.
Strategic partners: Baowu Group, CNBM, CSG Holding. Xinyi Glass, Kibing Group.
Led by Prof Shi Gan (renowned refractory expert), our 40+ R&D professionals drive innovation in green material technology
Prof. Shi Gan
Chief Scientist & R&D Director, XZK Group
China's highest technical for industrial R&D leadership.
Key participant in drafting 5+ national industry standards.
Principal inventor of the Triple-Resistant Brick, resolving critical glass furnace longevity challenges.
Zhengzhou Zhongke Refractories Co.
Lightweight insulation materials (alumina bubble bricks, mullite bricks)
Zhengzhou Zhongke New Materials Co.
High-temperature specialties (chrome-zirconia corundum bricks, triple-resistant bricks)
Zhengzhou Hengruida Materials Co.
Premium zirconia-series refractories
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