Stable, cement-bonded, overhead sprayed insulating mixes and resultant linings
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United States of America Patent
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Feb 18, 1997
Issued Date -
N/A
app pub date -
May 30, 1995
filing date -
Feb 11, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pulverulent mix, sprayable when mixed with a liquid for forming a stable, cement-bonded insulating refractory which can be sprayed onto vertical and overhead surfaces without deformation, comprising a lightweight and/or dense refractory aggregate, a calcium aluminate cement, a microsilica, a ball clay, and a superfine refractory. The superfine refractory comprises 2 to 15 wt. % of the mix and the -325 mesh portion of the mix being from about 40 to 60 wt. %.
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