Inventors:
Cheryl L. Jackson - Mexico MO
John Y. Liu - Columbia MO
Assignee:
A.P. Green Industries, Inc. - Mexico MO
International Classification:
C04B 3552
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.