Type

Chemical composition %

SiO₂

Al₂O₃

Fe₂O₃

CaO

Calcium

Aluminate

(Sinter)

OR-1

4.0-6.0

37.0-41.0

≤ 2.5

48.0-50.0

OR-2

4.0-6.0

42.0-45.0

≤ 2.5

42.0-45.0

OR-3

4.0-6.0

39.0-42.0

≤ 2.5

45.0-48.0

OR-4

≤ 8.0

50-53

≤ 2.5

32.0-35.0

Calcium Aluminate

(Fused)

OR-5

3-5

38-42

~1.5

48-52

OR-6

3-5

36-41

~1.5

49-54

Grain

Grain size:1-30mm