Grade 23 26 28 30 Ifb Insulating Firebrick

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Luyang Energy-Saving Materials Co., Ltd.

VIP   Audited Supplier 17 years
Profile Certified by SGS/BV
1580< Refractoriness< 1770
Long Time Materials, Instant Materials
Refractory Material
Brick
Mullite
Luyang
Insulating Fire Brick
Luyang
Carton/Bag/Pallet
230x114x64mm
China
69022000
Product Description

23 26 28 30 IFB Insulating Firebrick

Luyang Insulating Firebrick is made from high-purity refractory powder and organic fillers which burn out during manufacture to give a uniform and controlled pore sture. The brick is compressed in vacuum and sintered under high temperature. Luyang Insulating Firebrick is widely used as hot face refractory lining or back-up insulation in various kinds of industrial furnaces.

 

Features

Excellent thermal shock resistance

Accurate and customized dimension

High crushing strength

Low thermal conductivity

Low heat storage

 

Typical Applications

Metallurgy industry

Petrochemical industry

Ceramics industry

Aluminum industry

Glass industry

 

Typical Parameters

Description

GRADE 23 BRICK

GRADE 26 BRICK

GRADE 28 BRICK

GRADE 30 BRICK

Classification Temperature (ºC )

1300

1400

1500

1550

Chemical Composition (%)

Al2O3

40

56

67

73

SiO2

51

41

30

24

Fe2O3

≤1.0

≤0.8

≤0.7

≤0.6

Density (kg/m³)

600

800

900

1000

Modulus of Rupture (MPa)

0.9

1.5

1.8

2.0

Cold Crushing Strength (MPa)

1.2

2.4

2.6

3.0

Permanent Linear Change (%)

1230ºC x 24h ≤0.3

1400ºC x 24h ≤0.6

1510ºC x 24h ≤0.7

1620ºC x 24h ≤0.9

Thermal Conductivity (W/m·K)

200ºC

0.15

0.23

0.27

0.28

350ºC

0.18

0.24

0.30

0.35

400ºC

0.19

0.25

0.33

0.38

600ºC

0.23

0.27

0.38

0.40


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