Index

Ceramics

Refractory

Polishing

Chemical

Filling

AL2O3          %

99.8

99.5

99.5

99.5

99.5

SiO2            %

0.04

0.05

0.04

0.04

0.04

Fe2O3          %

0.02

0.03

0.02

0.02

0.01

Na2O           %

0.02-0.06

0.3

0.06-0.4

0.4

0.2

Whiteness

97

96

97

97

96

Loss on ignition  %

0.04

0.08

0.06

0.06

0.04

Density

3.97

3.95

3.94

3.91

3.97

α-Al2O3        %

97

95

94

90

97

Grain size      μm

0.4-5

2-3

3-5

100-150M

80-120M

Application

High temperature

porcelain

Castable

Abrasive tools

Catalyst

High temperature

switch