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BEIJING NORTH REFRACTORIES CO., LTD.

High Temperature Alumina Board 1, Ceramic Fiber Board, Rigid Alumina Board manufacturer / supplier in China, offering High Temperature Alumina Board 1700c 1800 C 1900c, 4 High Temperature Fiber Refractory Blanket, Ceramic Fiber Blanket 1260c Std 25mm and so on.

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High Temperature Alumina Board 1700c 1800 C 1900c

FOB Price: US $300 / Piece
Min. Order: 5 Pieces
Min. Order FOB Price
5 Pieces US $300/ Piece
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Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: NR1700; NR 1800, NR1900
  • Feature: Long Time Materials
  • Shape: Block
  • Temperature Grade: up to 1900c
  • Standard Size: 1000 X 600 mm
  • Refractoriness (℃): 1580< Refractoriness< 1770
  • Type: Refractory Material
  • Material: Mullite
  • Color: While
  • Density: up to 700 Kg/M3
Product Description
High Temperature Alumina Board  board is made of high purity alumina fibrous and alumina powder,to be formed and fired in special equipment with advanced patent process,can withstand temperature up to 1900 Deg centigrade. 

High Temperature Alumina Board 1700c 1800 C 1900c
Features of Alumina Board 1700 / 1800 /1900C Boards
1.Low thermal conductivity
2.High compression strength.
3.Long service life.
4.Good thermal shock resistance and good toughness.
5.Flexible and tearing resistance.
6.Easy to cut and operate.
6.Good electric and sound insulation.
7.Good mechanical working performance.
 
Alumina Board Types:

Type
NR-1000 NR-1260NR-1400NR-1600 NR-1700NR-1800
Classification
Temperature
100012601400160017001800
Density 
(Kg/m3
350400
400

450
 450 550
Line Change
(.CX24hS)
1.3
(900.C)
1.1
(1100.C)
1.6
(1200.C)
<2.0
(1400.C)
<2.0
(1500.C)
<2.0
(1600.C)
Compressive
Strength
0.50.50.50.30.30.3

 
Alumina Fiber Board 1700 Physical Character:

Density(Kg/m3) 
400
Strength to resist bending(MPa,25.C)                0.72
Linear shrinkage rate % (1600 .Cx8hrs) 0.13(1.7)
Expansion rate at %(600.C) 0.28
Average modulus of linear expansion  (x10-6/K)   1.77
Thermal conductivity rate GHP[W/(mK)]400.C  0.147
600.C  0.186
800.C  0.236
1000.C  0.296
  Chemical CompositionAL2O3:87% SiO2:13%  

  
Alumina Fiber Board 1700 Standard Sizes:
25x600x1000mm
50x600x900mm
 
Applications
Ceramics kiln, mechanic and metallurgy heating furnace
Thermal treatment furnace and others industrial furnace and hot face
Internal lining Low heating quantity 
High-temperature block-fire and flame-insulated
Kiln door, kiln car and dilatation joint etc insulation material
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