Ceramics - SlideShare
2014-4-1u2002·u2002They are made from quartzites and silica gravel deposits with low alumina and alkali contents. They are chemically bonded with 3 to 3.5% lime. Silica refractories have good load resistance at high temperatures, are abrasion- resistant, and are particularly suited to containing acidic slags. Of the various grades coke-oven quality, conventional ...
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