Ātete kakahu:i raro i ngā āhuatanga ōrite, 10 ngā wā he ātete ki te kakahu i ngā paipa noa;
Ātete ki te waikura:ka taea e te arai uku me te piripiri kore-waro te ātete ki te waikura waikawa me te kawakore;
Ātete pāmahana waenga:Ka taea te whakahaere i te 350℃ mō te wā roa, ā, ka taea te whakatutuki i ngā tikanga mahi whānui;
He maeneene ngā pakitara o roto, o waho hoki, ā, he maeneene te rere o te hau:mā te mata maeneene ka taea e te rauemi te haere noa me te kore e iri, e ārai rānei i te rauemi;
Ngāwari ki te tāuta:1/3 māmā ake i ngā paipa noa, ngāwari ki te whakahaere, penapena i te kaha tangata, ngāwari ake te tāuta, tere ake, ka taea te whakatū ngāwari i ngā paipa teitei ake;
Whakaitihia te kawenga o ngā taputapu tautoko me ngā taputapu whakairi, ā, penapenahia hoki te utu rauemi.
| Taonga | 92 konumohe | 95 konumohe | 96 konumohe | 99 konumohe |
| Al2O3 | 92% | 95% | 96% | 99% |
| Na2O | ≤0.4% | ≤0.2% | ≤0.1% | ≤0.15% |
| K2O | ≤1.06% | ≤0.5% | ≤0.54% | ≤0.25% |
| Fe2O3 | ≤0.01% | ≤0.01% | ≤0.01% | ≤0.01% |
| SiO2 | ≤4.7% | ≤3.28% | ≤2.5% | ≤0.2% |
| Taonga | 92 konumohe | 95 konumohe | 96 konumohe | 99 konumohe |
| Kiato (g/cm3) | ≥3.62 | ≥3.68 | ≥3.8 | ≥3.9 |
| Te pakeketanga o Moh (Te tohu) | 9 | 9 | 9 | 9 |
| Te pakeketanga o Vickers (HV10) | 1200 | 1300 | 1400 | 1450 |
| Kaha piko (Mpa) | 260 | 300 | 380 | 420 |
| Te pakari o te pakaru (Mpa.M1/2) | 3 | 3.2 | 4 | 4.5 |
| Ngaronga o te kakahu | 1.6g | 1.2g | 0.7g | 0.6g |
Ko te rahi o ā mātou paipa he φ20-300, ka taea te whakarite.
Kua kaweakehia ā mātou hua ki Ahitereiria, Chile, Peru, Awherika ki te Tonga, te Hononga o Amerika, Rūhia, Hapani, Initonīhia me ētahi atu whenua, ka taea e mātou te whakarato i ngā otinga hangarau uku ātete-kakahu, ka whakarato i ngā hua e tika ana mō ō hiahia me te ratonga kounga.