Molecular Formula:  Al2O3. n H2O (0＜n≤0.8)

Physical Properties

KA401

KA402

KA403

KA404

KA405

Appearance

Whte, Sphere, No Odor, Insoluble In Water, Innocuous

Crystal Type

x-p

x-p

y

y

x-p

Chemical Composition

Al2O3 %

≥93

≥93

≥93

≥93

≥90

Na2O %

≤0.3

≤0.3

≤0.5

0.15-0.3

≤0.3

LOI

%

6-8

6-8

≤8

≤5

6-8

Bulk Density

g/ml

0.68-0.72

0.70-0.75

0.65-0.75

0.70-0.80

0.68-0.72

Surface Area

m2/g

≥280

≥280

200-260

≥200

≥300

Pore Volume

ml/g

0.30-0.45

0.30-0.42

0.40-0.46

0.40

0.30-0.50

Static Absorption (RH=60%)

%

Water Absorption
15-17

Fluorine Absorption
0.12

Water Absorption
50

Water Absorption
50-70

Water Absorption
17-19

Active

%

56-62

Attrition Loss

%

≤1.0

≤1.0

≤1.0

≤0.4

≤0.8

Crushing Strength (mm)

￠0.4-1.2

≥30

￠1-2

≥40

≥40

￠2-3

≥60

≥60

￠3-5

≥100

≥100

≥100

≥100

￠4-6

≥120

≥130

≥120

≥110