Also call Refractory beads, Inert ceramic beads
Color: Brown, Gray, Yellow
Material: Corundum- Mullite
Characteristic: high strength , high stabilities in chemical and
thermal circumstances, it can resist corrosion in acid, alkali salt
and organic solvents.
Chemical composition and parameters:
Al2O2:70-90%,Al2O3+SiO2:90%min , Fe2O3:1.0%max
Water absorption :5%max
Acid resistance :98% min
Alkali resistance:90% min
Bulk density: 1.85-1.95g/cm3
Application: high grade refractory materials,Senior paint
Widely used in heat pipes, all kind of metallurgical furnace and high temperature gas pipeline, various life boiler, as well as the electronic, chemical high temperature furnace, high temperature reaction furnace and pipe required coating.
On the other hand, it is high-quality raw materials for ceramic
brake pads and porous ceramic making.