Castable refractory composition and methods of making refractory bodies

US6165926A · kind A · utility

Assignee

• Alcoa Chemie GmbH · DE

Inventors

• Gangolf Kriechbaum · Alzenau, DE
• Volker Gnauck · Mudau, DE

Key dates

• Filing date: Jun 24, 1998
• Grant date: Dec 26, 2000
• Expiry date: Jun 24, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B35/101
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A castable refractory composition comprising: (a) 50-90 vol. % coarse particulates having a particle size between about 1 and 60 mm; and (b) 10-40 vol. % fine filler materials having a particle size distribution of between 0.0001 to 3 mm.