Light weight silica brick

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Light weight silica brick, SiO2: more than 91%, High refractoriness under load, Good thermal shock resistance.

Description

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