Silica Refractory Brick for Coke Oven

BG-96B

SiO₂ % ≥

96

Fe₂O₃ % ≤

0.8

Melt index % ≤

Single weight ＜20kg

Single weight ≥20kg

0.7

0.7

Apparent porosity %≤

22

Cold crushing strength Mpa ≥

Single weight ＜20kg

Single weight ≥20kg

35

30

True density g/cm3 ≤

2.34

Permanent linear change 1450℃ 2h %

0–0.2

Residual quartz % ≤

3