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Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Specifications
Waterabsorption :
≤10%
Model Number :
SK30 SK32 SK34 SK36 SK38
Compressivestrength :
≥50 MPa
Thermalconductivity :
0.8-1.2 W/m·K
MOQ :
1
Delivery Time :
10-15 DAYS
Refractoriness :
≥1580°C
Temperature :
High Temperature Resistent
Packaging Details :
PALLET
Processing Service :
Punching, Moulding
Temperature Range :
above 1400º C
Material :
Fire Clay
Payment Terms :
L/C,D/P,T/T
Shape :
Rectangular
Place of Origin :
CHINA
Weight :
according to machine model
Certification :
ISO CE
Feature :
DDD low porosity, low iron, low creep
Brand Name :
LEADSUN
Size :
230 x 114 x 65 mm
Cold Crush Strength :
min 30MPa
Price :
NEGOTIABLE
Productname :
Fire Clay Brick
Sample :
Provide
Supply Ability :
10000 TON/ MONTH
Description
Product Overview

High Temperature Insulating Fire Clay Brick is a lightweight refractory material manufactured from high-quality refractory clay, alumina materials, and other special additives through molding, drying, and high-temperature firing processes. It delivers excellent thermal insulation performance, low thermal conductivity, high temperature resistance, and stable chemical properties.

This refractory insulation brick is widely used as a thermal insulation lining material for industrial furnaces, kilns, heating equipment, hot blast furnaces, cement kilns, ceramic kilns, and other high-temperature applications. It helps reduce heat loss, improve energy efficiency, and extend the service life of furnace structures.

Product Features
  • Excellent thermal insulation performance and low heat conductivity
  • Lightweight structure with high porosity and good energy-saving effect
  • High temperature resistance and good thermal stability
  • Low heat storage capacity for faster heating and cooling cycles
  • Good dimensional accuracy and easy installation
  • Available in customized sizes and specifications according to customer requirements
Technical Specifications
  • Material: Fire Clay / Alumina Silicate
  • Al2O3 Content: 30%–46% (customizable)
  • Working Temperature: 1200℃–1400℃
  • Bulk Density: 0.6–1.3 g/cm³
  • Shape: Brick / Block
  • Size: Standard size or customized
  • Application: Industrial Furnace, Kiln, Boiler, Heating Equipment
Applications
  • Industrial furnace lining
  • Ceramic and tunnel kiln insulation
  • Cement kiln heat insulation
  • Metallurgical furnace backup lining
  • Glass furnace insulation
  • Thermal equipment insulation projects
Advantages
  • Factory direct supply with competitive price
  • Strict quality control and stable performance
  • Customized production available
  • Suitable for various high-temperature industrial environments
Brand Properties & Technical Data
Brand Properties SK-40 SK-38 SK-37 SK-36 SK-35
Refractoriness (SK) 40 38 37 36 35
Apparent Porosity (%) 22 23 23 23 23
Bulk Density (g/cm³) 2.65 2.40 2.35 2.30 2.25
Cold Crushing Strength (MPa) 70 52 50 45 40
Thermal Linear Expansion (%) @1000°C 0.6 0.6 0.6 0.6 0.6
Permanent Linear Change (%) @1400°C × 2 hrs ±0.2 ±0.3 ±0.3 ±0.3 ±0.3
Refractoriness under Load (°C) @0.2 MPa 1,530 1,500 1,450 1,420 1,380
Chemical Composition: Al₂O₃ (%) 80 72 60 50 46
Chemical Composition: Fe₂O₃ (%) 1.8 2.0 2.0 2.0 2.0
Main Applications Nonferrous Metal Furnace · Rotary & Shaft Kiln · Various Incinerator · Reheating Furnace · Permanent Lining for EAF Ladle · General Industrial Furnace, etc.

Values are typical and may vary slightly. Customized specifications are available upon request.

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Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity

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Product Detail
Waterabsorption :
≤10%
Model Number :
SK30 SK32 SK34 SK36 SK38
Compressivestrength :
≥50 MPa
Thermalconductivity :
0.8-1.2 W/m·K
MOQ :
1
Delivery Time :
10-15 DAYS
Contact Supplier
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity

Qingdao Leadsun Refractory Co., Ltd

Verified Supplier
1 Years
qingdao
Since 2014
Business Type :
Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Ceramic Fiber Blanket, Fire Clay Brick, Insulation Refractory Bricks
Total Annual :
3000000-5000000
Employee Number :
5~20
Certification Level :
Verified Supplier
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