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Ceramic Fiber Blanket

Alternate Name: Aluminum Silicate Blanket

B.D: 96-160kg/m3

Al2O3: 40-55%

Standard size: 7200*610*10-50mm

Low thermal conductivity

Thermal shock resistance

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Ceramic fiber blanket, also known as aluminum silicate fiber blanket, is white in color and regular in size. It integrates fire protection, heat insulation and heat preservation, and does not contain any adhesives. One of its main components is aluminum oxide.

The service temperature of ceramic fiber blanket is 1100°C, 1260°C, 1360°C, 1430°C.It includes: common type, standard type, high purity type, high alumina type, zirconium containing type.

Ceramic Fiber Blanket Product Description

Ceramic Fiber Blanket is white in color and regular in size, integrating fire resistance, heat insulation and heat preservation. Does not contain any binders. It can still maintain good tensile strength, toughness and fiber structure after long-term use in neutral and oxidizing atmospheres. The temperature resistance is 950-1400°C.


  • Low thermal conductivity
  • Low heat capacity
  • Good thermal and chemical stability
  • Excellent shock resistance
  • Excellent tensile strength
  • Excellent sound absorption
  • Low heat storage capacity
  • Excellent chemical corrosion-resistant performance without being influenced by oil and water
  • Excellent construction and tensile strength
  • Smoke free, great white color, flat even surface, easy to cut
  • Very low shrinkage

Ceramic Fiber Blanket Specification

TypeCommonStandardHigh purityHigh aluminaZirconium containing
Classification temperature (℃)11001260126013601430
Service temperature (℃)<10001050110012001350
Color (kg/m3) 128kg/m3WhiteWhiteWhiteWhiteWhite
Bulk density96-12896-12896-128128-160128-160
Permanent liner change (%)-4-3-3-3-3
After 24 hours, Bulk density1000℃1000℃1100℃1250℃1350℃
Thermal conductivity under each section0.09(400℃)0.09(400℃)0.09(400℃)0.132(600℃)0.76(800℃)
w/m·k, Bulk density 128kg/m30.176(800℃)0.176(800℃)0.176(800℃)0.22(1000℃)0.20(1000℃)
Strength of extension (Mpa) Bulk density 128kg/m30.08-0.120.08-0.120.08-0.120.08-0.120.08-0.12
Al2O3 (%)444647-4952-5539-40
Al2O3+SiO2 (%)96979999
Al2O3+SiO2+ZrO2 (%)99
ZrO2 (%)15-17
Fe2O3 (%)<1.2<
Na2O+K2O (%)≤0.5≤


  1. Industrial building materials kiln, heating device, high temperature pipe lining.
  2. Chemical industry high temperature reaction equipment and heating equipment wall lining.
  3. Thermal insulation for electric boilers, gas turbines and nuclear power plants.
  4. Fire insulation layer for high-rise buildings.
  5. Furnace door, roof heat insulation.
  6. High temperature filter material and so on.
  7. Aerospace, steel, petrochemical high temperature insulation.
  8. Heat insulation and fire prevention of electrical components.


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