Rotary-kiln calcined high-alumina bauxite engineered for refractories, abrasives, castables and demanding thermal applications.
View technical grade →Above 1600°C
Calcined Bauxite
Dense, high-alumina aggregates for refractory, abrasive, proppant and anti-skid applications.

Processing route
Rotary kiln calcination above 1600°C
Density, mechanical strength and resistance to abrasion, corrosion and molten slags.
- Multiple technical grades
- Controlled chemical composition
- Standard grit and lump sizes
- Industrial HDPE packaging
Available grades
Calcined Bauxite catalogue
Select a grade to review its chemical and physical specification table.
NCAB 78 GG
NCAB 80 LF
Low-iron calcined bauxite grade for refractory, abrasive, proppant, anti-skid surfacing and castable applications.
View technical grade →NCAB 84 LF
Premium low-iron calcined bauxite for high-performance refractories, abrasives, proppants and anti-skid surfaces.
View technical grade →NCAB 90 SP
Special-grade calcined bauxite designed for premium refractory, proppant, castable and anti-skid applications.
View technical grade →Technical & commercial support
Discuss Your RequirementNeed the right grade, chemistry or grit size?
Share your application, quantity and delivery location with the NIPL team.
