Brand

Ultralow cement

WUC-45

WUC-70

WUC-85

Chemical composition

Al 2 O 3

≥ 45

≥ 70

≥ 85

CaO

≤ 1.5

≤ 1.2

≤ 1.0

Bulk density (g/cm 3 )

≥ 2.3

≥ 2.6

≥ 3.0

Bending Strength (MPa)

11 0 ℃

After drying at

≥ 4

≥ 6

≥ 10

℃ ×3h

After firing at

1350

≥ 10

1350

≥ 12

1350

≥ 15

Crushing Strength (MPa)

11 0 ℃

After drying at

≥ 20

≥ 30

≥ 40

℃×3h

After firing at

1350

≥ 50

1350

≥ 60

1500

≥ 70

℃×3h

Linear Change Rate After Firing

1350

± 0.5

1350

± 0.5

1500

± 0.5

Service Temperature (℃)

1400

1500

1600