材质Kind

低水泥高铝尖晶石质

Low  cement  high alumina spinel

牌号Brand

CJ

CJ-1

CJ-2

CJ-A

CJ-C

CJ-1A

CJ-1G

化学成分（%）

Chemical

composition

Al2O3

70

70

75

70

60

65

60

SiO2

20

20

15

20

30

25

30

SiC

5

5

8

5

－

5

5

冷态耐压强度（MPa）

Cold crushing

strength

110℃×24h

After drying at

12

12

12

12

10

12

10

1250℃×3h

After firing at

20

20

22

20

21

20

18

冷态抗折强度（MPa）

Cold bending strength

110℃×24h

After drying at

4

4

5

4

3.5

5

4

1250℃×3h

After firing at

10

10

12

10

9

12

11

烧后线变化率（%）

Linear changing

after burnt

1250℃×3h

After firing at

±1.0

±1.0

±0.8

±1.0

±1.4

±1.3

±1.2

体积密度（g/cm3）

Bulk density

1250℃×3h

After firing at

2.9

2.9

2.8

2.8

2.7

2.8

2.8

施工用量（kg/cm3）Amount for construction

3100

3100

3000

3000

2900

3000

3000

施工方式  结合方式

Method of construction

Method of bonded

振动成型Jolt moulding

（水）(Water)

特点

Characteristic

高强  耐侵蚀  水硬性 体积稳定  热震稳定性好 抗火焰冲刷  耐剥落  加纤维  可以浇注成型  施工简便单耗低 

适应形状复杂狭窄或锚固件稠密的炉体及构件

High strength  Corrosion resistance  Water set  Volume stability

Thermal shock resistance  Flame blowing resistance Spalling resistance  

Fiberfrax added  May be used easily by casting method with low

consumption perton of pigiron Complex and narrow  kiln′s  body

 and  components with dense anchor firm wares