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  • Polycrystalline Mullite Fiberboard
  • Polycrystalline Mullite Blanket
  • Polycrystalline Mullite Fiberboard
  • Polycrystalline Mullite Fiberboard
  • Polycrystalline Mullite Fiberboard
1600 1700 1800 1900 Polycrystalline Mullite Fiberboard(Blanket)
Density: 260-320 kg/m³ (16-20 lb/ft³)
Raw materials: Aluminum Oxide, Silicon Dioxide
Thickness: 10mm-50 mm
Asbestos: 100% Non Asbestos
Function: Refractory & Fireproof & Insulation
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Introduction
Technical Data
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Polycrystalline mullite fiberboard is formed by wet vacuum filtration and pressure with loose cotton and inorganic adhesive, and is calcined at high temperature according to different models; the product has the excellent characteristics of low bulk density and high strength, and is a multi-purpose product that can be used for hot surface of furnace lining to resist flame and direct impact of high-temperature airflow.

In addition to polycrystalline mullite fiberboard, we also supply polycrystalline mullite fiber blanket. Welcome to your Inquiry.

1.High temperature stability;
2.low thermal conductivity;
3.low heat capacity;
4.heat resistance;
5.corrosion resistance;
6.easy processing and cutting performance;
7.thickness and size;
8.good resistance to flame and airflow scouring;
9.easy installation and use.

Type

1600 Board

1700M Board

1800M Board

1900M Board

Classified Temp.

1600℃

1700℃

1800℃

1900℃

Working Temp.

1500℃

1600℃

1700℃

1750℃

Density(kg/m3)

400

350

400

765

Linear Shrinkage (%)
(8 hrs)

0.1(1500)

0.2(1600)

0.1(1700)

0.3(1750)

Thermal conductivity

(W/M.K)

At 600

0.14

0.12

0.117

0.23

At 800

0.17

0.15

0.189

0.27

At 1000

0.24

0.18

0.228

0.31

At 1200

 

 

 

 

Chemical

(%)

Al2O3

64

75

78

78

Al2O3+SiO2

98

99

99.8

99.8

 

Polycrystalline mullite fiberboard can be used in fields requiring toughness, self-supporting and heat insulation, and it has good resistance to mechanical damage. Fields include: push plate kiln, ladle furnace, bell kiln, tunnel kiln, roller kiln, aluminum melting furnace, heat treatment furnace and other insulation lining and backing; high temperature fire baffle; kiln car insulation; various high temperature industrial kiln insulation.
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