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BG-98 Superior Silica Bricks For Glass Kiln

  • Flux index : ≤0.4
  • 0.2MPa refractoriness under load : ≥1685
  • Apparent porosity : ≤22
  • True density : ≤2.34
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■ Feature

98 silica bricks is a new type silica bricks with high quality for glass kiln which was developed on the basis of 97 silica brick technologies.

Because of a calcium silicon phase (CaO·SiO2), formed by SiO2 and CaO, the study found that calcium silicon phase (CaO·SiO2) in the silica brick is the major cause of silica brick erosion, this combination is vulnerable to erosion of alkaline substances such as NaOH. The reaction between Calcium silicon phase and NaOH will form glass phase in silica bricks, and will slowly dissolve SiO2 particles.


98 silica bricks ensures high temperature strength, at the same time, improves the SiO2 content and reduces the content of CaO
, which makes the products with further improved erosion resistance, especially in the daily output of the larger modern glass kiln, the effect is more apparent. The production technology is stable and the products has the best performance.

■ Technical Data
 

superior silica bricks for glass kiln

BG-97

BG-98

SiO2             

97

98

Fe2O3          

0.8

0.8


Flux index    ≤

0.4

0.35


0.2MPa refractoriness under load  ( ℃ )   ≥

1685

1690


Apparent porosity %   ≤

22

22

Cold crushing strength(MPa)

Unit weight<20kg  

35

35

   Unit weight ≥ 20kg  

30

30


True density g/cm3)   

2.34

2.34

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Company: Construction Management & Engineering Cell
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