Ceramic Fiber Products

Kerui is an enterprise specializing in the research and development, production and sales of ceramic fiber insulation products. In order to provide better products and services to customers in the global high temperature industry, Kerui has always adhered to innovation and led the new direction of the development of ceramic fiber insulation products. At present, Kerui has become a first-class international brand in industrial kiln materials.

9 Types of Kerui Ceramic Fiber Products

1- Ceramic Fiber Blanket
Parameters
  • Al2O3 ≥(%): 35-52
  • Bulk Density (g/cm³): 64-128
  • Shot Content ≤(%): 12-15
  • Classification Temperature (℃): 1260-1430
Applications
  • Linings of industrial kilns
  • Insulation material for high temp tube
  • Fire proof
  • Materials for ceramic fiber module
Features
Low Thermal Conductivity
Good Chemical Stability
Good Tensile Strength
Good Noise Reduction

2- Ceramic Fiber Module
Parameters
  • Al2O3% (≥): 35-52
  • Bulk Density (g/cm³): 160-220
  • Classification Temperature (℃): 1260-1430
  • Permanent Linear Change ≤(%): 2.5-3.0
Applications
  • Petrochemical industry: ethylene cracking furnace, reforming furnace, hydrogenation furnace, hydrogen production furnace.
  • Steel industry: continuous annealing furnaces and blast furnaces, hot blast furnaces, converters and flues.
  • Electric power industry: waste heat boilers, tubular boiler doors, hot air ducts
  • Ceramic industry: trolley furnaces, roller hearth kilns, roller hearth furnaces, transformation kiln cars
Features
Low Thermal Conductivity
Good Elasticity
Good Thermal Shock Resistance
Good Mechanical Strength

3- Ceramic Fiber Board
Parameters
  • Modules of Rupture ≥(MPa): 0.3
  • Bulk Density (g/cm³): 250-360
  • Classification Temperature (℃): 1260-1430
  • Loss of Ignition ≤(%): 6
Applications
  • Metallurgical industry: backing insulation, insulation sheet and mold insulation
  • Non-ferrous metal industry: backing of tundish and electrolyzer
  • Ceramic industry: lightweight kiln car structure and hot surface lining of the kiln, separation of each temperature zone of the kiln and fire protection
  • Glass industry: melt pool backing insulation, burner prefabricated blocks
  • Petrochemical industry: hot surface materials for lining high-temperature heating furnaces
  • Molds for forming deep-processed products such as craft glass
Features
Low Thermal Conductivity
Good Elasticity
Long Service Life
Good Peeling Resistance

4- Ceramic Fiber Paper
Parameters
  • Bulk Density (g/cm³): 200-240
  • Classification Temperature (℃): 1260-1350
  • Tensile Strength (MPa): 0.4-0.7
  • Thickness (mm): 0.5-6.4
Applications
  • Instruments and equipment, insulation materials for electric heating elements
  • Expansion joint filling material
  • Thermal insulation materials for automotive, construction, metallurgy and glass industries
  • Molten metal seal
Features
Low Thermal Conductivity
Good Electrical Insulation
Good Machining Performance
Low Ball Content

5- Ceramic Fiber Cloth
Parameters
  • Color: White
  • Organic Content ≤(%): 15
  • Bulk Density (kg/m³): 500
  • Continuous Temperature Use Limit (℃): 650-1000
Applications
  • Industrial kiln and flue insulation and sealing
  • Flexible expansion joint
  • Seal of heat exchanger, valve and pump and kiln car
  • High temperature resistant insulated wire, cable covering
Features
Low Thermal Conductivity
Good Electrical Insulation
Good Chemical Stability
High Refractoriness

6- Ceramic Fiber Rope
Parameters
  • Bulk Density (g/cm³): 380-500
  • Continuous Temperature Use Limit (℃): 650-1000
  • Organic Content ≤(%): 15
  • Reinforcement: Glass Fiber/Stainless Steel
Applications
  • High temperature pipe insulation and sealing
  • Cable insulation covering
  • Kiln opening, brick wall, furnace door seal
  • Flexible expansion joint link
Features
Low Thermal Conductivity
Good Electrical Insulation
Good Chemical Stability
High Refractoriness

7- Ceramic Fiber Tube
Parameters
  • Bulk Density (kg/m³): 100-300
  • Service Temperature (℃): 1000-1260
  • Color: White
  • Shot Content %(Φ>0.25mm): 11-13.6
Applications
  • Glass industry, including float, flat electronics, daily glass
  • Biomass power generation furnacey
  • Nonferrous metal kiln
  • Coking and carbon black industries
Features
Low Thermal Conductivity
Good Mechanical Strength
Good Chemical Stability
High Refractoriness

8- Ceramic Fiber Wool
Parameters
  • Al2O3 ≥(%): 35-52
  • SiO2 ≥(%): 47-55
  • Classification Temperature (℃):1260-1430
  • Shot Content ≤(%):12-15
Applications
  • Electric power and petrochemical pipeline insulation
  • Industrial kiln wall backings
  • Ceramic fiber module processing materials
  • Fireproof shutter and sound insulation materials
Features
Low Thermal Conductivity
Good Chemical Stability
No Binding Agents and Corrosive Substances
Good Noise Reduction

9- Calcium Silicate Board
Parameters
  • SiO2 (%): 46-48
  • CaO (%): 39-41
  • Bulk Density (kg/m³): 230-270±10%
  • Maximum Use Temperature (℃): 1000
Applications
  • Expansion joints and mold insulation
  • Thermal insulation of tundish and chute cover
  • Linings for combustion in industrial and domestic boilers
  • Kiln temperature zone separation and fire protection
Features
Low Thermal Conductivity
Good Elasticity
Long Service Life
Good Peeling Resistance

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      Contact Us

      Please feel free to give your inquiry in the form below. We will reply you right now! Email: market@krref.com

      * Name:

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      Phone/Whatsapp (including area code):

      * Message: Please leave the following information for quicker reply: product name, specifications, dimension/ drawing, quantity, usage, etc.