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Fused calcium alumina cement
Fused calcium alumina cement

Fused calcium alumina cement CA50 refractory cement CA-65, CA-70, CA-75, CA-80, CA-85

Rfused calcium  alumina cement  :

Advantages:

1. quick hardening    2. short setting time    3. anti-erosion of sulphate 4. high temperature resistance

5. good grain shape  6. good strength

 

The technical index of

       Index

Items

AL-65

AL-70

AL-75

AL-80

 

Chemical (%)

Al2O3

63.5~66.5

68.5~71.5

73.5~76.5

78.5~81.5

CaO

32.5~34.0

26.5~30.5

24.0~26.0

17.0~20.0

SiO2

≤0.5

Fe2O3

≤0.5

TiO2

≤0.01

MgO

≤0.15

Specific surface area(m2/Kg)

≥5000

≥5000

≥5500

≥7000

 

Initial setting time (min)

≥40

≥45

≥30

≥15

Final setting time (h)

≤6

≤6

≤6

≤6

Compression strength(MPa)

Conservation for 24hrs

≥45.0

≥40.0

 

≥40.0

≥35

 

Rupture strength(MPa)

≥6.0

≥5.0

≥4.5

≥4.0

 
 

Refractoriness(°C)

1560

1560

1790

1790

Test Standard

KTB01013-2004

Package

Woven bag with plastic lining 25kg/bag

Usage

For atypic refractory material

Fused calcium alumina cement

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