Silica bricks for glass furnace

BG-96A

SiO₂ % ≥

96

Fe₂O₃ % ≤

0.6

Melt index % ≤

Single weight ＜20kg

Single weight ≥20kg

0.5

0.6

Apparent porosity %≤

21

Cold crushing strength Mpa ≥

Single weight ＜20kg

Single weight ≥20kg

40

45

True density g/cm3 ≤

2.34

Permanent linear change 1450℃ 2h %

0–0.2

Residual quartz % ≤

3