The Silica Brick For Glass Kiln Physical And Chemical Indicators

  Items

 Units

  Indicators

XBG-96

ZBG-96

GBG-96

 
Chemical Composition

w(SiO2)

≥

%

96

96

96

w (Fe2O3)

≤

%

0.8

0.8

0.8

 
Melt index(Al2O3+2R2O)

≤

%

0.5

0.5

0.5

 
Physical Properties

  Apparent Porosit

≤

%

21

21

21

  True Density

≤

g/cm3

2.34

2.34

2.34

 
0.2MPa Refractoriness Under Load

≥

°C

1680

1680

1680

 
Cold Crushing Strength

≥

Mpa

35

35

35

    
Permanent Linear Change(1450°C *2h)

≤

%

+0.2

+0.2

+0.2

 
Thermal Expansion (0°C ~1450°C)

%

 Provide Experimental Data