Refractory bricks / Fireclay bricks / Insulation bricks (LQFB)

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Shanghai
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TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
111 m.t./month

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Product Description:

Specifications

Refractory Brick 
1-Made from high quality alumina 
2-Low thermal conductivity 
3-SK series,custom made 
4-.ISO9001 certificated

Fire/firecaly brick

 

Refractory brick is dense shaped refractory material. With high refractoriness and mechanical behavior under high temperature, refractory brick is the necessary material of high-temperature services, mainly used for industrial furnaces and kilns and thermal equipment.

 

Refractory brick has wide applications, mainly used in metallurgy, construction(cement and glass), petroleum, chemical industry, electric power and machine building.

 

Linquan series alumina bricks are high quality dry pressed alumina bricks, ranging from 35% to 95% in alumina content.

 

Fire clay bricks

Chemical and Physical Properties

LQHAB70

LQHAB 60

LQHAB 50

LQHAB 80

Chemical
Analysis (%)

Al2O3; ≥

70

60

50

80

Fe2O3; ≤

2.0

2.0

2.0

2.0

Refractoriness (SK); ≥

38

37

36

39

Bulk Density; ≥

2.30

2.20

2.10

2.40

Apparent Porosity (%); ≤

23

23

23

23

Cold Crushing Strength

400

400

300

400

(Kg/cm2); ≥

Thermal Expansion (%)

0.65

0.60

0.53

800

0.65

at 1000°C

Permanent Linear Change (%)

0.3

0.3

0.3

0.2

at 1500°C × 2Hrs

Refractoriness under Load

1580

1500

1470

1670

 

High aluminum bricks

Chemical and Physical Properties

LQH-90

LQH 85

LQH-80

Chemical
Analysis (%)

Al2O3; ≥

90

85

80

Fe2O3; ≤

1.0

1.0

1.0

Refractoriness (SK); ≥

40

40

39

Bulk Density; ≥

3.10

2.90

2.80

Apparent Porosity (%);≤

18

20

20

Cold Crushing Strength

700

600

600

(Kg/cm2); ≥

Thermal Expansion (%)

0.70

0.68

0.65

at 1000°C

Permanent Linear Change (%)

0

0

0.2

at 1500°C × 2Hrs

Refractoriness under Load

1,700

1,700

1,670


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