ITEM

STANDARD

RERULTS

AL(OH)3

Al2O3,%                                   ≥

64.5

65

SiO2, %                                   ≤

0.03

0.01

AL(OH)3%                               ≥

99

99.5

Fe2O3                                     ≤

0.02

0.01

Na2O                                                 ≤

0.3

0.1

Average Grain  , μm                

60-85

70

Mesh                      

80-100Mesh

85Mesh

Loss on ignition                           ≤

34.5±0.5

34.5

Whiteness(R457),%                 ≥

87

93

PH

7-9

7.8

Moisture                                   ≤

0.8

0.7

Appearance

POWDER

POWDER