Silica brick for hot stove

Item

RG-95

SiO2

≥95

Al2O3

≤1.0

Fe2O3

≤1.3

Apparent porosity %

≤22(24)

Cold crushing strength MPa

≥45(35)

Remaining quarts %

≤1.0

Refractoriness under load

≥1650

Creep(0.2Mpa×1550×50h) %

≤0.8

Thermal expansion coefficient

(1000) %

≤1.25

Apparent density g/cm³

≤2.32