1.1 This classification covers fired refractory brick and shapes consisting predominantly of zircon (ZrO2SiO 2) and containing, by chemical analysis, not less than 60 % zirconium oxide (ZrO2) and not less than 30 % silica (SiO 2).
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM C545-97(2007) |
| Product Name | Standard Classification of Zircon Refractories |