Ka whakamahia te pungarehu wheua i hangaia mai i te wheua kau parakore ki te mahi uku me te mahi whakarewa
E whakamahia nuitia ana mō te hanga porcelain wheua kounga teitei i roto i te umanga uku, ā, ka taea hoki te whakamahi i roto i te karāhe ōpara, te whakaū tae, te kaihoko oro, te whakamārama tirikara, me ētahi atu.
Ko te pungarehu wheua taumata A he waro wheua kua tukatukahia ki te 120 mata, e whakamahia ana i roto i te umanga uku me te tango whakarewa me te purenga para.
Pungarehu wheuaKa tangohia mai i ngā wheua kararehe i muri i te whakapūkara i te pāmahana teitei. Ka makahia te wheua mata ki roto i te tāke pēhanga teitei, ā, ka tāpirihia he wai e tika ana. Ka koromamaohia te wheua i te 150 ℃ mō ngā haora e 2, kia tangohia te kapia o te wheua hei poraka wheua me te kore he pūmua, kātahi ka whakamaroke.
Ka whakatakotoria te poraka wheua maroke kua tangohia te pūmua ki roto i te oumu wera-teitei me te hau maori hei wahie, ā, ka tahuna ki te pāmahana teitei o te 1250 ℃ mō te 1 hāora, ki te pāmahana teitei rānei o te 1300 ℃ mō te 45 meneti. I tēnei wā, ka tino whakapūkaratia te 'N', ā, ka tahuna katoatia ngā huakita.
Ka kuruhia ngā poraka waro wheua kua tahuna, ka tirotirohia kia rite ki ngā whakaritenga rerekē mā te tirotiro wiri, ko ēnei te nuinga o te wā: 60-100 mata, 0-3mm, 2-8mm, me ētahi atu.
| Ā-tinana meMatū Ngā taonga | Paerewa Whakamātautau | Hua whakamātautau |
| 1. AI2O3 | ≥0.01% | 0.033% |
| 2. Pāo | ≥0.01% | 0.015% |
| 3. CaO | ≥50% | 54.500% |
| 4. P2O5 | ≥40% | 41.660% |
| 5, Te ngaronga o te konupūmā (Te ngaronga o te taumaha) | ≤1% | 0.820% |
| 6. SiO2 | ≥1% | 0.124% |
| 7. Fe2O3 | ≥0.05% | 0.059% |
| 8. K2O | ≥0.01% | 0.015% |
| 9. MgO | ≥1% | 1.045% |
| 10. Na2O | ≥0.5% | 0.930% |
| 11. SrO | ≥0.01% | 0.029% |
| 12. H2O | ≤1% | 0.770% |
| 13. Wā kounga kua whakamanahia: E toru tau, Me rongoa ki roto i ngā ipu hiri i roto i ngā āhuatanga makariri, maroke, matara atu i ngā rauemi haunga kino. | ||



