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Description

Silica brick not only has the characteristics of high strength at high temperature and high refractoriness under load (1620~1680℃), but also has the characteristics of strong resistance to acid slag erosion and long-term use at high temperature without deformation. The residual expansion of silica bricks when heated will make the joints of the masonry tightly closed, ensuring good air-tightness and strength of the masonry structure.

Technique Data


Item

Specification


BG-96A

BG-96B

BG-95

JG-94

GZ-94

SiO2  %

96

96

95

94.5

94

Fe2O3  %

0.6

0.8

1.0

1.2

1.4

Melt Index, %

0.5

0.7

/

/

/

Apparent Porosity, %

21

22

22

22

24

True Density, g/cm3

2.34

2.33

2.35

CCS, MPa

40

35

30

40

30

0.2MPa RUL 

1680

1670

1670

1650

1650

PLC, % 1450℃×2h

0~0.2

/

Residual quartz, %

3

1.5

/


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