Silica Bricks

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China, Zhengzhou
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Technical characteristics

Description

Product details

Index	Index
Item	Large Wall Brick	Checker Brick
SiO2, %	≥95
Al2O3, %	≤1.0
Apparent Porosity, %	≤21	≤23
Cold Compressive Strength, Mpa	≥45	≥35
Actual Density, g/cm3	≤2.33	≤2.33
Creep Rate, 0.2Mpa, 1550×50h, %	≤0.6
Refractoriness under load, 0.2Mpa	≥1650
Rheating Linear change rate, 1450×2h, %	≤0.2
Residual Quartz, %	≤1.0
Thermal Expansivity, %	≤1.25

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