High density fused silica mixes, refractory shapes made therefrom, and method of making the same
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United States of America Patent
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Nov 1, 1994
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N/A
app pub date -
Jul 28, 1993
filing date -
Jul 28, 1993
priority date (Note) -
Expired
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Abstract
A refractory mix for forming a fused silica based refractory shape consisting essentially of a high purity fused silica and a binder system consisting essentially of a high purity colloidal silica solution and a high purity ammonium lignosulfonate. The invention also comprises fused silica based refractory shapes formed from such mix by pressing and firing.
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