Martin Marietta Magnesia Specialties, Inc.

James W Stendera

Keith Bridger

Thomas E Roloson

Clement P Stoney, Iii

A composition that when added to a dry material that is subsequently compacted, decreases the porosity of the resultant compacted material while improving the density and strength of the compacted material. The substantially dry composition comprises refractory aggregate coated with an organic compound. Preferably the coated aggregate has a size wherein at least 50% of the coated aggregate will pass a 100 mesh screen. Also disclosed is a method for making such a composition.

Composition for use in dry products

This invention relates to a phosphorous-containing organic binder compound for refractory ceramics, a process for the preparation of the binder compound, a pre-mixed, ready-to-use refractory/binder material having a long shelf-like, a method of using the pre-mixed refractory material, and a high strength refractory body produced from the pre-mixed refractory material.

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Baltimore, MD, United States of America

James W Stendera