Kyanite sillimanite (grade KSP (flour) or KSG (grain) with an Al2O3 content of at least 57% is used in the manufacture of refractory materials for the metallurgical, glass and foundry industries, for ceramic coatings and for the production of silumin.
| Name | Price | Packaging |
| Kyanite sillimanite grain | Contract price | big bag 1 MT net |
| Kyanite sillimanite flour | Contract price | big bag 1 MT net |