Type

Index

GJ--180

GJ—18S

HC--1

HC--2

Chemical

Composition

(%)

Al2O3

>94

>90

>98

>95

SiO2

<0.5

<5

<0.2

<0.5

Fe2O3

<0.5

<0.5

<0.5

<0.5

Working

Temperature Max.(°C)

1700

1600

1850

1800

Density after 110 °C oven dry (g/cm³)

>2.9

>3.0

>3.1

>3.0

Burn linear by

 1500°C*3h(%)

+0.1~+0.6

-0.2~-0.6

-0.2~+0.6

-0.2~+0.6

Breaking& Compress

Strength (Mpa)

1100°C*24h

>80/>8

>90/>10

>20/>4

>60/>7

1100°C*3h

>100/>12

>100/>15

>50/>6

>70/>8

1500°C*3h

>120/>20

>150/>20

>60/>10

>100/>15

criticality size (mm)

5--8

5--8

5--8

5--8

Field Of Application

Big cement kiln above all front and hind nozzle

Big cement kiln above all front and hind nozzle; Cooling machine elbow

All kinds of hi-temp

kiln

RhVacuum refining ;All kinds of hi-temp klin