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Give the preperation and uses of Silica refractory.
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written 3.0 years ago by
teamques10
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Silica bricks contain 90% to 95% SiO2 and about 2% lime is added during grinding to furnish the bond.
Basic raw materials used for their manufacture are quartz, quartzite, ganister, sand, sandstone, etc.
For their manufacture, the siliceous rock is crushed and ground with 2% lime and water.
The thick …
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