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Home > High-Performance Alumina Fibers & Products > E. Alumina Fibre Needle-Punched Blanket
Alumina Fibre Needle-Punched Blanket
Alumina Fibre Needle-Punched Blanket Alumina Fibre Needle-Punched Blanket Alumina Fibre Needle-Punched Blanket Alumina Fibre Needle-Punched Blanket Alumina Fibre Needle-Punched Blanket

Alumina Fibre Needle-Punched Blanket

Item No.: AFIBRE-005
The alumina fiber needle-punched blanket is made from alumina fibers produced using the sol-gel method, and processed through a complex needle-punching technique. The needle-punching process significantly increases the interlacing between fibers, resultin
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Description

01 / PRODUCT DESCRIPTION

The alumina fiber needle-punched blanket is made from alumina fibers produced using the sol-gel method, and processed through a complex needle-punching technique. The needle-punching process significantly increases the interlacing between fibers, resulting in excellent delamination resistance, tensile strength, and surface flatness. It offers superior thermal insulation under high-temperature conditions and can be used long-term in extreme environments.

Our needle-punched blanket is available in Type 72.

02 / TABLE OF PRODUCT PERFORMANCE PARAMETERS

Performance Test method Type 72
Chemical structure Al₂O₃:SiO₂ (%) Chemical analysis 72:28
Mineral structure XRD δ-Al₂O₃ / γ-Al₂O₃ / Mullite
Classification temperature (℃) GB/T 3003-2017 1600
Shot content (≥45 um) (%) GB/T 5480-2017 0-2
LOI (%) GB/T 32179-2015 0.1
Specific gravity (g/cm³) GB/T 5071-2013 3.1
Average fiber diameter (μm) GB/T 5480-2017 5.5-7.5
Specific heat capacity (J/kg/K) GB/T 19466.4-2016 1.17×10³~1.21×10³
Heat shrinkage (%) 1400℃ x 24h GB/T 17911 ≤1
1600℃ x 24h ≤1
Thermal conductivity (W/m·k) 600℃ GB/T 17911 B.D.=100kg/m³: 0.079
B.D.=130kg/m³: 0.082
B.D.=150kg/m³: 0.070
1000℃ B.D.=100kg/m³: 0.150
B.D.=130kg/m³: 0.152
B.D.=150kg/m³: 0.118
1200℃ B.D.=100kg/m³: 0.215
B.D.=130kg/m³: 0.210
B.D.=150kg/m³: 0.160
Product Size Specification Table
Thickness (mm) Bulk density (kg/m³) Width (mm) Length (m)
100 130 150
3mm √ - - 610/1220 7.2/14.4
6/7.5/10/12.5mm √ √ √ 610/1220 7.2/14.4
20mm √ √ - 610/1220 3.6/7.2
25mm √ √ - 610/1220 3.6/7.2

Note: The product can be customized

03 / PRODUCT CHARACTERITICS

  • Excellent high-temperature resistance and thermal stability
  • Low thermal conductivity and low heat capacity
  • Uniform fiber diameter with low shot content (0–2%)
  • Outstanding tensile strength and thermal strength
  • Excellent corrosion resistance
  • High thermal reflectivity

04 / PRODUCT APPLICATION

  • Refractory insulation lining for industrial kilns and furnaces
  • High-temperature equipment/pipeline insulation
  • High-temperature sealing gaskets
  • High-temperature filtration media
  • Support mats for three-way catalytic converters
  • Aerogel thermal insulation composite materials

Review
Daniel Zhou
Mr. Zhou