Patent ID: 6660673
Filing Date: 2003-12-09
Classification: C04B,C09K

Abstract:
A refractory composition comprisinga mixture of aggregate materials, at least one binding agent and an additive, said additive comprising synthetic particulate TiO2 with an average grain size davg of 0.2 to 2000 &mgr;m in amount up to 90 wt.-% with respect to said aggregate materials, and an iron oxide in an amount us to 70 wt.-%, with respect to said additive, wherein, upon employment, said TiO2 reacts with at least one of nitrogen and carbon, while in contact with iron, to form one or more of titanium carbide, titanium nitride and titanium carbonitride, wherein said aggregate materials are substantially Al2 O3, SiO2, and alumosilicates.