LIGHT WEIGHT HEAT INSULATING CASTABLE

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Product Description:

Specifications

insulating castable refractory
1.high strength
2.high service temperature
3.good thermal shock resistance

This Low Density Castable have the characteristics as below:

1  Low density

2  High Strength

3 Good acid resistance

4 Good alkali resistance

Low Density castable Application:

It is suitable for middle and low temperature furnace linings,ceiling and mobile cover.

Main Physical and Chemical Characteristics

Name

Light Corundum mullite castable

Light Floating Bead Ceramisite Castable

Light alkali-resisting castable

Super-light castable

NO.

CB-10

CB-13

QJ-120

QJ-80

CQ-12D

CQ-13D

CQ-450

Bulk Density(110°Cdried)

1.0

1.3

1.2

0.8

1.5

1.7

0.45

Temperature of linear change is no more than 1.5% after3h in the constant Temp.(°C)

1500

1450

1200

1000

1200

1300

950

Cold Crushing strength(Mpa)

110°C dried

7.5

8

7.8

7.2

35

40

5.5

1000°C×3h

30

30

12.5

12

30

35

6.5

Heat Conductivity W/m.k

0.35

0.35

0.31

0.26

0.26

0.35

0.26

Index of thermal expansion

1000°C %

0.55

0.65

0.75

0.40

0.40

0.40

0.20

Max working temperature°C

1450

1500

1350

1250

1300

1300

980

Al2O3%

>70

>65

>30

>30

>35

>40

>35

SiO2%

<22

<25

<45

<45

<50

<45

<55

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