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Protective Coating and Method

Abstract: 

A thermal barrier protective coating composition having a thickness sufficient to protect a metal surface against heat, vibration, corrosive, and environmental damage and a method for making the same. The coating composition comprises polymerizable spray-dried hydrated sodium silicate powder, a forming agent, and lightweight ceramic microspheres is disclosed.

Patent Number: 
6,376,022
Date Of Issue: 
04/23/2002
Inventors: 

William A. Mallow; Clifford A. Moses; Henry L. Bernstein