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Fire Clay Brick

• Density: 2.1-2.2g/cm³
• Raw Material: Clay raw material + clay binder
• Firing temperature: 1250 – 1380℃
• Fire resistance degree: 1580 – 1770℃
• Softening temperature under load: 1300 – 1400℃
• Function: High Refractoriness & Thermal Stability & Mechanical Strength & Slag Resistance & Long Service Life

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Product Introduction

Fire Clay Brick is a traditional alumino-silicate refractory material manufactured from high-quality fire clay through crushing, mixing, shaping, drying, and high-temperature firing. It offers reliable performance in medium- and high-temperature applications and is widely used in various industrial furnaces and kilns.

The product features excellent resistance to abrasion and chemical corrosion, good thermal shock resistance, high mechanical strength, and outstanding dimensional stability at elevated temperatures. Its durability and cost-effectiveness make it an ideal choice for furnace linings, boiler systems, coke ovens, and other thermal processing equipment.

Feature:

  • High Strength.
  • Good Thermal Shock Resistance.
  • Excellent Wear Resistance.
  • Good Corrosion Resistance.
  • High Temperature Stability.
  • Long Service Life.

Application:

  • Steel Industry
  • Non-Ferrous Metallurgy
  • Glass Furnaces
  • Cement Kilns
  • Ceramic Kilns
  • Petrochemical Plants
  • Power Stations
  • Industrial Boilers
  • Other High-Temperature Thermal Equipment

 

Technical Data:

ITME SK 31 SK 30 SK 30 SK 29 SK 29 SK 28 SK 27
CHINA CODE N-1 N-2a N-2b N-3a N-3b N-4 N-5
Refractoriness ℃ 1750 1730 1730 1710 1710 1690 1670
Al2O3 % 40 39 34 34 32 32 31
Fe2O3 % 2.1 2.1 2.3 2.3 2.5 2.5 2.5
Apparent Porosity% 22 24 26 24 26 24 26
Bulk Density g/cm3 2.15 2.1 2.1 2.05 2.05 2.05 2
Cold Crushing Strength Mpa 30 25 20 20 15 20 15
0.2Mpa Refractoriness Under Load T0.6 ℃ ≥ 1400 1350 1350 1320 1320 1300 1300
Reheating Linear Change 1400℃ 0.1–0.4 0.1–0.5 0.2–0.5
Reheating Linear Change 1350℃ 0.2–0.5 0.2–0.5 0.2–0.5 0.2-0
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