High Purity High Temp Alumina Hollow Sphere

High Purity High Temp Alumina Hollow Sphere – Melt Blown Pure Corundum Hollow Microsphere Lightweight Refractory Aggregate, High Refractoriness Low Thermal Conductivity Raw Material For High-Temp Castable Insulation & Corundum Hollow Sphere Brick Production 1. Product Core Profile This high purity high temperature alumina hollow sphere is a premium granular lightweight refractory aggregate, possessing a granular raw material attribute fundamentally different from finished shaped Refractory Brick, solid clay Firebrick, dense load-bearing High-Temperature Brick, integral furnace lining Kiln Brick, decorative solid Ceramic Brick and block-shaped porous Insulating Fire Brick. The production process adopts high-purity alumina raw material electric melting, then high-speed airflow blowing atomization forming, each single particle forms a closed hollow spherical structure with thin corundum shell and internal sealed air cavity. Unlike solid alumina clinker aggregate that only relies on…