China factories

Chat Now Send Email
China factory - Qingdao Leadsun Refractory Co., Ltd

Qingdao Leadsun Refractory Co., Ltd

  • China,Qingdao
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant
China Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant

  1. China Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant
  2. China Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant
  3. China Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant
  4. China Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant

Lightweight Thermal Insulation Fire Clay Brick High Temperature Resistant

  1. MOQ: 1
  2. Price: NEGOTIABLE
  3. Get Latest Price
Waterabsorption ≤10%
Compressivestrength ≥50 MPa
Thermalconductivity 0.8-1.2 W/m·K
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
Weight according to machine model
Feature DDD low porosity, low iron, low creep
Size 230 x 114 x 65 mm
Cold Crush Strength min 30MPa
Productname Fire Clay Brick
Sample Provide
Supply Ability 10000 TON/ MONTH
Model Number SK30 SK32 SK34 SK36 SK38
Place of Origin CHINA
Certification ISO CE
Brand Name LEADSUN

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Waterabsorption ≤10% Compressivestrength ≥50 MPa
Thermalconductivity 0.8-1.2 W/m·K 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
Weight according to machine model Feature DDD low porosity, low iron, low creep
Size 230 x 114 x 65 mm Cold Crush Strength min 30MPa
Productname Fire Clay Brick Sample Provide
Supply Ability 10000 TON/ MONTH Model Number SK30 SK32 SK34 SK36 SK38
Place of Origin CHINA Certification ISO CE
Brand Name LEADSUN
High Light Lightweight Thermal Insulation Fire Clay Brick ,High Temperature Resistant Refractory Brick ,Low Thermal Conductivity Fire Clay Brick
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.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2014

  • Total Annual:

    3000000-5000000

  • Employee Number:

    5~20

  • Ecer Certification:

    Verified Supplier

Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia... Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia...

+ Read More

Get in touch with us

  • Reach Us
  • Qingdao Leadsun Refractory Co., Ltd
  • No. 700, Qingshan Road, Licang District, Qingdao, China
  • https://www.insulation-refractory.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement