Chemical composition

Physical features

Mechanical features

Type

Al2O3,

Wt%

SiO2,

Wt%

Fe2O3,

Wt%

Bulk density,g/cm³

Abrasion

Water absorption,%

Hardness

Mpa

(Compressig strength)

DB-70

≥70

≤25

≤0.35

3.0

0.3

0.1

8

1500

DB-85

≥85

≤15

≤0.3

3.30

0.2

0.1

8.5

1700

DB-92

≥92

≤5

≤0.2

3.60

0.15

0.1

9

2000

KP-92

≥92

≤5

≤0.2

3.65

0.1

0.1

9

2000

KP-95

≥95

≤5

≤0.15

3.7

0.1

0.1

9.5

2000