材質Kind

高鋁質

high alumina

低水泥高鋁質

Vltra-low cement

high alumina

牌號Brand

AJ-1

AJ-2

AJ-3

AJ-5

CJ-1

CJ-2

化學成分（%）

Chemical

composition

Al₂O₃

55

60

65

70

70

75

SiO₂

35

30

25

20

20

15

SiC

－

－

3

5

5

8

CaO

3.5

2.5

1.2

1.0

0.8

0.6

冷態耐壓強度（MPa）

Cold crushing

strength

110℃×24h

After drying at

15

18

20

22

12

10

1250℃×3h

After firing at

25

28

30

30

20

22

冷態抗折強度（MPa）

Cold bending strength

110℃×24h

After drying at

6

8

5

5

4

5

1250℃×3h

After firing at

10

10

12

13

10

12

燒後線變化率（%）

Linear changing

after burnt

1250℃×3h

After firing at

±1.6

±1.4

±1.3

±1.2

±1.0

±0.8

體積密度（g/cm³）

Bulk density

1250℃×3h

After firing at

2.25

2.3

2.4

2.45

2.8

2.9

施工用量（kg/cm³）Amount for construction

2400

2450

2500

2550

3000

3100

加水量（%）Additional water

8—9

7.5—8.5

7—8

6.5—7.5

5—7

4.5—6.5

施工方式 結合方式

Method of construction

Method of bonded

振動成型Jolt moulding

（水）(Water)

特點

Characteristic

高強 耐侵蝕 水硬性體積穩定 熱震穩定性好抗火焰沖刷 

耐剝落 加纖維 可以澆註成型 施工簡便單耗低 

適應形狀復雜狹窄或錨固件稠密的爐體及構件

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    <, o:p>

 body and components with dense anchor firm wares