Good quality with high refractoriness and longer use period.
Low-creep, good thermal stability

Index

      Item

Insulating silica brick

LQG-0.8

LQG-1.0

LQG-1.0

LQG-1.5

LQG-1.2

SiO2 % ≥

88

1.96

91

91

91

Al2O3 % ≥

Fe2O3 % ≤

Refractoriness under load °C≥

A.P. %  ≤

C.C.S (Mpa) ≤

1.8

1.96

2.94

4.9

5.39

True density
(g/cm3) ≤

Thermal
expansion ≥

1.3

Linear change
after reheating %≤

+0.4

+0.4

Bulk density
(g/cm3) ≥

0.8

1.0

1.1

1.15

1.2