INDEX	Silica brick for hot stove
ITEM	Wall brick for Arch crest stoves	Blank brick
SIO2 %≥	95
Cold Crushing Strength MPa≥	35	30
Apparent Porosity %≤	22	23
Creep %（0.2MPa,1550℃,50h）≤	0.8
True density g/cm3≤	2.35
Thermal expansion（1000℃）%≤	1.26
Residual quartz%≤	Data must be provided