Refractory materials
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
Product lineup

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
Applications

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 certificates

Need a special cut or blend?

We can tune PSD and chemistry for your refractory mix.