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Light silica brick
Counter 214   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
Size 0.51-400mm
< 3
Crack
Size 0.51-400mm
Deprive
Size 0.26-0.5mm
Allow 75mm long

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