General Properties

Molecular weight

78

Mohs hardness

3

Density g/cm3

2.42

Ratio of refraction

1.57

Crystal system

Monoclinic system

Appearance

White powder

Physical and Chemical Properties

AH-2

Fine AH-2

Micro AH-2

Chemical constituent

Al2O3

≥64

≥64

≥64

SiO2

≤0.04

≤0.04

≤0.04

Fe2O3

≤0.03

≤0.03

≤0.03

Na2O

≤0.5

≤0.5

≤0.5

Loss on ignition

≤35

≤35

≤35

Moisture

≤0.5

≤0.5

≤0.5

                      Average particle size

≤15

≤10

≤3

                         Whiteness

≥90

≥90

≥95

                            PH

10±1.5

Notes: The average particle size can also be produced according to customer's requirements