Abstract: An ecologically sound refractory material includes a binder made of a cashew nutshell liquid and a resin selected from a liquid phenol resin, a phenol homologue and a formaldehyde homologue.
Type:
Grant
Filed:
December 22, 1998
Date of Patent:
December 26, 2000
Assignees:
Thyssen Krupp Stahl GmbH, Perstorp AB
Inventors:
Norbert Heine, Thomas Ballewski, Manfred Grossman