Products__Wuxi Asia-Pacific Furnaces Co., Ltd.

Light silica brick（Counter 1 Addtime：2006-04-02 10:06:23）

Chemical Composition%	SiO₂	≥92
	A1₂O₃	≤1.2
	CaO	5
Physical Properties	Refractoriness ℃	≥1760
	Load softening temperature T0.6℃	≥1560
	Really share	≤2.35
	Cool strength Mpa	≤3.5
	Appatent porosity %	≤50
	Bulk density g/cm³	≤1.2
Prism angle Depth mm		7
Pouring hole Diameter mm		8
Variation	Size ≤100mm	±2
	Size 101-250mm	13
	Size 251-400mm	±5
Distort	Size 251-400mm	< 2
Distort	Size 0.51-400mm	< 3
Crack	Size 0.51-400mm	Deprive
Crack	Size 0.26-0.5mm	Allow 75mm long