Magnesia Alumina Refractory Fire Bricks For Building Materials High Temperature

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Magnesia Alumina Refractory Fire Bricks For Building Materials , High Temperature

 

 

Specifications

 

1. Professional manufacturer.
2. Delivery is quickly.
3. Quality is good.
4. SK32/SK34/SK36/SK38.

Brick, fire brick,Refractory firebrick, Standard size of brick

SK-30.SK-32.SK-34.SK35.SK-36.SK-37.SK-38.SK-40

 

 

Features and advantages:

 

1. High refractoriness.

2. Good spalling resistance and wear resistance.

3. Good corrosion resistance.

4. Good thermal shock resistance.

5. High mechanical strength.

6. High-temperature creep rate is low.

7. Good volume stability at high temperature.

 

 

Physical and chemical index:

 

Item/Grade

Fire clay brick

High alumina brick

SK-30

SK-32

SK-34

SK-35

SK-36

SK-37

SK-38

SK-40

AL2O3 % (≥)

30

35

38

45

55

65

70

82

Fe2O3 % (≤)

2.5

2.5

2.0

2.0

2.0

2.0

2.0

2.0

Refractoriness(SK)

30

32

34

35

36

37

38

40

Refractoriness under load, 0.2MPa, °C (≥)

1250

1350

1370

1420

1450

1480

1530

1600

Apparent porosity (%)

22-26

20-24

20-22

18-20

20-23

20-23

20-22

18-20

Bulk density (g/cm³)

1.9-2.0

1.95-2.1

2.1-2.2

2.15-2.22

2.25-2.4

2.3-2.5

2.4-2.6

2.5-2.7

Cold crushing strength ,MPa (≥)

20

25

30

40

45

50

60

70

 

 

Application:

 

Refractory fire brick is  widely used in metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment.  

 

Magnesia Alumina Refractory Fire Bricks For Building Materials , High Temperature