GOST 4157
GOST 4157 (Silica brick refractories. Specifications)· GOST (Russia) · 5 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| D3 | Д3 | Silica based | chevron_right |
| D5 | Д5 | Silica based | chevron_right |
| DM | ДМ | Silica based | chevron_right |
| DMS | ДМС | Silica based | chevron_right |
| DN | ДН | Silica based | chevron_right |