Property

Standard(STD)

High Purity(HP)

High Alumina(HA)

Zirconia(ZA)

Mix Charge(MCA)

Operating Temperature C

1000

1100

1200

1350

1400-1600

Heating permanent line changes C×24h

1000≤4

1100≤4

1200≤4

1350≤3

1400-1600≤3

Bulk Density kg/m3±15

Soft

Hard

Soft

Hard

Soft

Hard

Soft

Hard

Soft

Hard

260

>350

260

>350

260

>350

260

>350

260

>350

Compressive Strength (10% compressed) mpa

0.1-.035

0.1-0.35

0.1-0.35

0.1-0.35

0.1-0.35

Typical Chemical Composition

AL2O3

≥45

45-47

≥53

≥35

72-95

AL2O3+SiO2

≥96

≥99

≥99

+ZA99

-

ZrO2

-

-

-

15.6

-

Loss on Ignition %

~5

~5

~5

~5

~5