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Refractory silica brick for glass furnace

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Refractory silica brick for glass furnace, High refractoriness under load. SiO2 content is more than 95%.

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Refractory silica brick for glass furnace

Item:		BG-96A	BG-96B	BG-95A	BG-95B
SiO2		≥96	≥96	≥95	≥95
Fe2O3		≤0.8	≤1.0	≤1.2	≤1.2
Apparent porosity %		≤22
Cold Crushing Strength MPa	Brick 20KG	≥35
	Brick ≥20KG	≥30
Refractoriness under load		≥1680	≥1670	≥1660	≥1650
True density g/cm³		≤2.34	≤2.34	≤2.35	≤2.35

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