
| Umkhiqizo wento | -Jwayelekile | Mpumalanga | Hp | Hl | Hz | |
| Ukuhlukaniswa kwe-Temp (ºC) | 1100 | 1260 | 1260 | 1360 | 1430 | |
| Ukusebenza nge-Temp (ºC) | <1000 | 1050 | 1100 | 1200 | 1350 | |
| Umbala | okumhlophe | okumhlophe | okumhlophe | okumhlophe | okumhlophe | |
| I-Fibre Dia (μm) | Ukushaya | 2~3 | 2~3 | 2~3 | 2~3 | 2~3 |
| Ukujikisa | 3~4.5 | 3~4.5 | 3~4.5 | 3~4.0 | 3~4.0 | |
Ukwakheka kwamakhemikhali (%) |
Al2o3 | 44 | 46 | 47~49 | 52~55 | 39~40 |
| I-Al2o3 + Sio2 | 96 | 97 | 99 | 99 | - | |
| I-Al2o3 + Sio2 + ZRO2 | - | - | - | - | 99 | |
| I-ZO2 | - | - | - | - | 15-17 | |