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

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

Name: Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity
Brand: LEADSUN
Price: 1 USD

$Quality Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity for sale$ $Quality Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity for sale$ $Quality Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity for sale$ $Quality Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant Refractory Brick with Low Thermal Conductivity for sale$

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

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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 Images

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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

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