He mea hanga te paura alumina, he mea parakore, he mea hanga mai i te waikura konumohe (Al2O3) e whakamahia whānuitia ana i roto i ngā momo mahi ahumahi. He paura tioata ma e puta mai ana mā te whakamahine i te konganuku bauxite.
He maha ngā āhuatanga pai o te paura alumina, tae atu ki te pakeke teitei, te ātete matū, me te whakamarumaru hiko, ā, he mea nui ēnei hei rauemi i roto i ngā ahumahi maha.
E whakamahia whānuitia ana hei rauemi mata mō te hanga uku, ngā mea ātete ahi, me ngā mea whakakoi, tae atu ki te hanga i ngā momo wāhanga hiko, pērā i ngā mea ārai wera, ngā papa, me ngā wāhanga haurua-ira.
I roto i te ao hauora, ka whakamahia te paura alumina ki te hanga i ngā whakatō niho me ētahi atu whakatō wheua nā te mea he hototahi ki te koiora me te ātete ki te waikura. Ka whakamahia hoki hei whakakanapa i roto i te hanga i ngā karāhe whatu me ētahi atu wāhanga tino tika.
I te nuinga o te wā, he rauemi maha ngā whakamahinga o te paura alumina e whakamahia whānuitia ana i roto i te whānuitanga o ngā tono ahumahi nā te mea he huinga ahurei o ngā āhuatanga ā-tinana me te matū.
| Ngā Āhuatanga Ā-tinana: | |
| Āhua | Paura Mā |
| Te pakeketanga o te Mohs | 9.0-9.5 |
| Te ira rewa (℃) | 2050 |
| Te pūwāhi koropupū (℃) | 2977 |
| Te mātotoru tūturu | 3.97 karamu/cm3 |
| Ngā matūriki | 0.3-5.0um, 10um, 15um, 20um, 25um, 30um, 40um, 50um, 60um, 70um, 80um, 100um |
1.Ahumahi uku:E whakamahia whānuitia ana te paura alumina hei rauemi mata mō te hanga uku, tae atu ki ngā uku hiko, ngā uku ātete-wera, me ngā uku hangarau matatau.
2.Te Ahumahi Whakakanapa me te Whakakoi:E whakamahia ana te paura konumohe hei rauemi whakakanapa me te mea whakakoi i roto i ngā momo whakamahinga pēnei i ngā karāhe whatu, ngā papa whakarewa, me ngā mata whakarewa.
3.Whakakorikori:E whakamahia ana te paura alumina hei tautoko i ngā whakakorikori i roto i te umanga matū hinu hei whakapai ake i te whai huatanga o ngā whakakorikori e whakamahia ana i roto i te tukanga whakamahine.
4.Ngā Paninga Rehu Wera:Ka whakamahia te paura alumina hei rauemi paninga hei ārai i te waikura me te kakahu ki ngā mata maha i roto i ngā ahumahi rererangi me te motuka.
5.Ārai Hiko:E whakamahia ana te paura alumina hei rauemi ārai hiko i roto i ngā taputapu hiko nā te mea he kaha teitei tōna ki te ārai i te hiko.
6.Ahumahi Whakakā:E whakamahia ana te paura alumina hei rauemi ātete ahi i roto i ngā tono pāmahana teitei, pērā i ngā arai oumu, nā te mea he teitei te ira rewa me te tino pumau o te pāmahana.
7.Tāpiri i roto i ngā Pūmua:Ka taea te whakamahi i te paura alumina hei tāpiri i roto i ngā pūmua hei whakapai ake i ōna āhuatanga miihini me te wera.
Mena he pātai āu, tēnā whakapā mai.