| S | Refractory materials, silica |
|---|
| S | Refractory materials, alumina rich clay based, 45 to 85% aluminium oxide |
|---|
| S | Refractory materials, 85 to 99% alumina |
|---|
| S | Refractory materials, corundum, 85 to 99% alumina |
|---|
| S | Refractory materials, kyanite/disthene, 45 to 85% alumina |
|---|
| S | Refractory materials, synthetic mullite, 45 to 85% alumina |
|---|
| S | Refractory materials, sillimanite/fibrolite, 45 to 85% alumina |
|---|
| S | Refractory materials, andalusite, 45 to 85% alumina |
|---|
| S | Refractory materials, bauxite and diaspore, 45 to 85% alumina |
|---|
| S | Refractory materials, zirconium oxide |
|---|
| S | Refractory materials, magnesium or magnesium-chromite, metal coated |
|---|
| S | Refractory materials, chrome magnesite |
|---|
| S | Refractory materials, magnesite, raw and fired |
|---|
| S | Refractory materials, siliceous, 15 to 25% alumina |
|---|
| S | Refractory products, silicon carbide |
|---|
| S | Refractory materials, pure oxide |
|---|
| S | Refractory materials, plastic (mouldable) |
|---|
| S | Grouts and mortars, refractory |
|---|
| S | Refractory aggregates |
|---|
| S | Refractory products for insulating |
|---|
| S | Pastes, refractory |
|---|
| S | Refractory materials, mouldable |
|---|
| S | Ramming refractories |
|---|
| S | Refractory materials for foundries, the steel industry, blast furnace stoves |
|---|
| S | Refractory materials for the glass industry |
|---|
| S | Refractory materials for the ceramics industry |
|---|
| S | Refractory materials for the cement industry |
|---|