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KERATECH s.r.o. » Refractory materials » Molded materials » Magnesia and spinel bricks

Magnesia and spinel bricks

 

Magnesia Bricks – KOMAG are used to linings of burning and transition zones in furnaces for lime and cement, permanent linings of oxygen converters (KOMAG KK)

Spinel Bricks – KOSP are used to linings of burning and transition zones in furnaces for lime and cement, linings of containers in vacuum steel production (KOSP 20B) 

 

Product Line

 

MAGNESIA BRICKS

SPINEL BRICKS

Brand Name

 

KOMAG KK

KOMAG C,V

KOSP 10 B

KOSP 20 B

Classification according to EN

EN ISO 10081-2

M 95

M 85

MSp 80

MSp 80

Base Material

 

Dead Burnt Magnesia

Sintered Magnesia

Sintered Magnesia

Aluminaspinel

Al₂O₃ Content (%)

Ř

-

-

6,5

12

Fe₂O₃ Content (%)

Max.

1

8

-

-

Ř

0,8

7,5

1

0,7

MgO Content (%)

Min.

95

86

86

83

Ř

96

88

-

84

CaO Content (%)

Ř

1,4

2,5

1,6

1

Bulk Density (kg. m⁻ł)

Min.

2800

2850

2800

2750

Ř

2885

2970

-

2850

CCS (MPa)

Min.

40

40

40

35

Ř

50

60

-

40

Apparent porosity (%)

Max.

20

20

20

20

Ř

18

18

-

18

Refractoriness Under Load t₀ˏ₆ (°C)

Ř

1650

1650

1700

1700

PLC (%)

T/time

1400/5

-

1550/5

1550/5

Ř

±0,1

-

0,2

0,2

Servis Temperature (°C)

Max.

1700

1650

1700

1700

Thermal Conductivity (W.m⁻ą.K⁻ą)

50°C

16,266

-

-

-

300°C

11,092

-

-

-

400°C

-

3,66

-

-

600°C

6,557

3,31

-

-

800°C

-

3,13

-

-

900°C

4,713

-

-

-

1000°C

-

2,62

-

-

1100°C

3,913

-

-

-

1200°C

3,756

2,48

-

-

News


30.12.2015 | We have build 4 chamber furnaces at VSMPO-AVISMA (Russia)

We have build 4 electrical chamber electrical heating furnace (AMS 2750E) for titanium alloys.

15.10.2015 | We have build two push-type furnaces at MPZ

We have build 2 pushing furnaces at MPZ (Belarus).

03.11.2014 | We have build two car bottom electrical furnaces

We have build two electrical car bottom chamber furnaces for heat treatment of titanium. Company - "VSMPO-AVISMA" (Russia). Furnaces under norm AMS 2750.
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