SILICA SERIES

SILICA BRICKS
Products Specifications	Silica brick	Silica brick for BF hot stoves
	LGZ-95	LRG-95
SiO2%  >=	95	95
Thermal Expansion, (10000C)% <=		1.25
0.2MPa Refractoriness under load 0C	1650	1660
Linear Change After Heating at (14500C x 2h)		+0.2
Apparent Porosity% <=	22	22
Cold Crushing Strength, MPa	30	35
True Density, g/cm3 <=	2.34	2.34
0.2 MPa Creep Rate (15000C X 50h)% <=		0.3
Residual Quartz %, <=		1

SILICA BRICKS FOR COKE OVEN
Products Specifications	silica brick for coke oven
	LJG-94	LJG-95
SiO2%   >=	94	95
AL2O3%   >=	1.2	1.0
Fe2O3%  <=	1.3	1.2
0.2MPa Refractoriness under load 0C >=	1650	1650
Linear change after heating%(14500C¡Á2h)	+0.2	+0.2
Class 1 apparent porosity% <= class2	22	22
	24	24
Cold crushing strength MPa >=	30	35
True density g/cm3 <=	2.34	2.33 2.34
Residual quartz %	1	1
Thermal expansion(10000C)% <=	1.25	1.25

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