Plastic refractory compositions having improved flowability
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United States of America Patent
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Sep 6, 1994
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N/A
app pub date -
Jun 10, 1993
filing date -
Jun 10, 1993
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Abstract
Improved gunnable plastic refractory compositions consist of a mass of friable clusters of granular material which has a moisture content of from about 4% to about 10% by weight of the total composition and contains from about 0.05% to about 0.5% by weight (added), preferably 0.1% to 0.3%, of a hydrocolloid selected from the class consisting of a polysaccharide ether and xanthan gum and from about 0.05% to about 1.0% by weight (added), preferably 0.15% to about 0.50%, carbon.
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