Calcem-50

Calcem-70

Calcem-75

Chemical:

-

-

-

Al2O3 %Min

45.0

68.0

72.0

Fe2O3 % Max.

4.5

0.30

0.25

CaO% Max.

34.0

30.0

26.0

SiO2 % Max.

5.5

1.0

0.5

Physical:

-

-

-

Setting time (in minutes)

-

-

-

Initial, min.

50.0

30.0

40.0

Final, max.

400.0

400.0

400.0

CCS (kg/cm2 ), min

-

-

-

After 1 day

350

350

400

After 1 day cured + 110oC/24 hrs

-

550

600

After 3 days

450

-

-

Refractoriness (Orton / oC) Min

13/1349

20/1564

31/1683