Silica brick for hot stove

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Silica brick for hot stove, SiO2:Above 95%, Al2O3: Below 1.0%, Apparent porosity: Below 22(24)%, Refractoriness under load:1650

Description

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