As a supplier of high temperature refractory materials, Okayama Giken Minerals offers high-purity sintered alumina for steelmaking and casting with excellent thermal shock resistance. The product is ideal for ladle linings, castables and casting applications.
As a leading sintered alumina manufacturer, Okayama Giken Minerals specializes in producing high-purity sintered alumina for extreme industrial environments. With an Al₂O₃ content of over 99. 2%, our sintered alumina has unparalleled performance in the following areas:
Steel industry applications: ladle linings, tundish plates and slide gate systems.
Casting applications: high temperature mold and core materials.
Customizable solutions: particle sizes from 0-1 mm to 3-5 mm to meet specific process requirements.
Excellent thermal stability: withstands temperatures up to 1850°C without cracking.
Low sodium content (Na₂O≤0. 15%): minimizes contamination in precision applications.
REACH compliant: fully compliant with European environmental standards.
Our refractory grade sintered alumina is trusted by European steel mills and Southeast Asian foundries to extend furnace life and reduce downtime. Request a free sample to test its performance in your operation.
| Brand | Al₂O₃ | Na₂O | Fe₂O₃ | SiO₂ |
| 99 | 99.2 min | 0.4% max | 0.1% max | 0.2% max |
