Fused cast AZS products of reduced cost
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United States of America Patent
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Jan 21, 2003
Grant Date -
Jan 31, 2002
app pub date -
Jun 19, 2001
filing date -
Jun 20, 2000
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Abstract
Fused cast AZS products that contain: Al.sub.2 O.sub.3 : 45-65 wt. %, ZrO.sub.2 : 10.0-29.0 wt. %, SiO.sub.2 : 20.0-24.0 wt. %, SiO.sub.2 /(Na.sub.2 O+K.sub.2 O) weight ratio: 4.5-8, and other species: 0.5-4.0 wt. % These products may be produced from manufacturing waste or recycled spent materials.
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