Refractory
Refractory minerals for kilns, castables, and burner blocks
Alumina, silica flour, and magnesia with controlled PSD, low impurities, and COA-ready documentation.
Key specs
Al2O3 ≥99%
High purity alumina
SiO2 ≥98%
Silica flour 200/325 mesh
MgO ≥90%
Calcined magnesia
Refractory materials and uses
Alumina 99%
325 mesh, low Na2O, for high-temp concrete and burner blocks.
Al2O3 ≥99%
Low Na2O
Silica Flour 200 mesh
SiO2 ≥98%, refractory bricks and coatings.
200 mesh
High SiO2
Calcined Magnesia
180 μm, basic refractory mixes and gunning materials.
MgO ≥90%
Thermal shock
High-temperature performance
- Castables, burner blocks, and kiln linings
- Low Na2O alumina for chemical resistance
- Silica flour for refractory bricks and coatings
- Magnesia for basic mixes and thermal shock resistance
Packing & documents
25/50 kg sacks, big bags, or bulk. COA, PSD, and XRF per batch.
View certificatesNeed a special cut or blend?
We can tune PSD and chemistry for your refractory mix.