Silica Brick of HBS

Item（Unit）

Specification

Chemical Composition C.A.

SiO₂   %

≥95

Al₂O₃ %

≤1.0

Fe₂O₃ %

≤1.3

Bulk Density， B.D.

Checkered Bricks, C.B.（g/cm3）

Wall Tiles, B.B.

≥1.8

≥1.85

Apparent Porosity，A.P.

Checker Brick（ %）

Wall Brick

≤24

≤22

Normal Temperature Compressive Strength，C.C.S. MPa

Checker Brick

Wall Brick

≥35

≥45

Softening Temperature Under Load, R.U.L. 0.2MpaT0.6    °C

≥1650

Creep（%）

(1550℃*50h*0.2Mpa)

≤0.8

Thermal Expansion Rate (1000C ) T.E.

≤1.25