Polycrystalline Alumina Fiber Blanket

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TaoFibre® Polycrystalline Alumina Fiber Blanket (3000°F)

TaoFibre® Polycrystalline alumina fiber blanket is a high strength, needled insulating blanket that is made from TaoFibre® bulk. The blanket contains no organic binders or other additives. The blanket resists corrosion, oxidation, and reduction.  TaoFibre® blanket is widely used in various industries the requires extremely high-temperature insulation rated up to 3000°F. 

Features Typical Applications
Excellent thermal shock resistance Furnace hot face lining in high-temperature industries
Excellent thermal stability Backup insulation
High tensile strength Burner block wraps
Low thermal conductivity Expansion joints
Low shot content Gaskets in furnaces

 Description

TaoFibre® Polycrystalline Alumina Fiber Blanket

Classification Temperature °F (°C)

2912 (1600)

Continuous Temperature Use Limit °F (°C)

2732 (1500)

Chemical Composition (%)  
Al2O3

71-73

SiO2

27-29

Leachable Chlorides

Trace

Color

White

Density lb/ft3 (kg/m3)

 6 (96)

Tensile Strength psi (kPa)

>0.012 (>80)

Permanent Linear Shrinkage (%)

1400(°C) x 24h <1.0

Thermal Conductivity BTU/h∙ft∙°F (W/m·K)  
752°F (400°C)

0.052 (0.09)

1112°F (600°C)

0.093 (0.16)

1472°F (800°C)

0.127 (0.22)

1832°F (1000°C)

0.162 (0.28)

2192°F (1200°C)

0.208 (0.36)

2552°F (1400°C)

0.260 (0.45)



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