Low cement castable

Model

DL-70

DL-75

DL-90

AL2O3,%

≥70

≥75

≥90

CaO,%

≤1.5

≤1.5

≤1.2

Refractoriness,℃

1790

1790

1790

BD,

g/cm3

110℃×24h
after
sintering

≥2.65

≥

2.7

≥3.15

1500℃
×3h

≥2.6

1500℃
×3h

≥2.65

1500℃
×3h

≥3.1

CCS,

MPa

110℃×24h
after
sintering

≥30

≥35

≥60

1500℃
×3h
≥60

1500℃
×3h
≥65

1500℃
×3h
≥100

MOR,

MPa

110℃×24h
after
sintering

≥

5

≥

5.5

≥

10

1500℃
×3h
≥15

1500℃
×3h
≥16

1500℃
×3h
≥15

PLC,%

1500℃
×3h
±0.5

1500℃
×3h
±0.5

1500℃
×3h
±0.5

Service temp.,℃

1500

1550

1650