Light weight silica brick

Item:

GGR-1.00

GGR-1.10

GGR-1.15

GGR-1.20

SiO₂ % ≥

91

91

91

91

Bulk density: g/cm3 ≥

1.00

1.10

1.15

1.20

Cold crushing strength Mpa≥

2.0

3.0

5.0

5.0

Permanent linear change % ≤

1550°C ,2h

0.5

0.5

1450°C ,2h

0.5

0.5

refractoriness under load  0.1Mpa ≥

1400

1420

1500

1520

Thermal conductivityaverage temp 350±10°C         W/(m .k) ≤

0.55

0.60

0.65

0.70