| Izinto | Iyunithi | Isalathiso | Isiqhelo | ||
| Ukwakhiwa kweekhemikhali | Al2O3 | % | 41.00-46.00 | 44.68 | |
| ZrO2 | % | 35.00-39.00 | 36.31 | ||
| SiO2 | % | 16.50-20.00 | 17.13 | ||
| Fe2O3 | % | 0.20ubuninzi | 0.09 | ||
| Unizi lolwapho kuyiwa khona | g/cm3 | 3.6min | 3.64 | ||
| I-porosity ebonakalayo | % | 3.00ubuninzi | |||
| Isigaba | 3Al2O3.2SiO2 | % | 50-55 | ||
| Indined ZrSiO4 | % | 30-33 | |||
| Corundum | % | 5.00ubuninzi | |||
| Iglasi | % | 5.00ubuninzi | |||
Isetyenziswe kwizicelo zeemveliso ezikhethekileyo apho ukuchasana okuphezulu kwi-corrosion yendalo kunye ne-coefficient ephantsi yokwandiswa kwe-thermal yimpahla enqwenelekayo.
Izicelo zibandakanya iityhubhu zokuphosa uxinzelelo lwe-ceramic kunye neemilo eziphikisayo ezifuna ukuchasana ne-slag etyhidiweyo kunye neglasi etyhidiweyo.
Izitena ze-Zir-mull kunye nezitena ezisetyenziswa kwi-Glass Industry kunye ne-additive in Continuous casting refractories.