O le pauta alumina paʻepaʻe ua faʻafefiloi e faia mai le pauta alumina maualalo-sodium e maualuga le mama e ala i le faʻasusuina i le vevela maualuga, faʻamālūlūina ma faʻamaluluina, ona tuʻimomomoina lea. O le pauta alumina oxide paʻepaʻe ua faʻafefiloi o loʻo i lalo o le faʻatonutonuina ma le faʻaeteete ina ia tausia le tufatufaina o le tele o fatu ma le foliga tutusa.
| Vasega o Mea Fa'a'a'a | Vasega Tete'e | |||||
| Mea | Saito | Pauta Laiti | Tele o le Vaega | Pauta Lelei | ||
| Al2O3 (%)≥ | 99 | 99 tausaga | 99 tausaga | 98.5 | 99 tausaga | 99 |
| Fe2O3 (%)≤ | 0.05 | 0.06 | 0.08 | 0.1 | 0.1 | 0.1 |
| SiO2 (%)≤ | 0.26 | 0.28 | 0.30 | 0.40 | 0.35 | 0.35 |
| TiO2 (%)≤ | 0.08 | 0.09 | 0.10 | 0.15 | 0.3 | 0.3 |
| Tele | 12-80 | 90-150 | 180-220 | 240-4000 | 0-1mm1-3mm 3-5mm 5-8mm | -180mesh -200mesh -240mesh -320mesh |
| Meatotino Faaletino | ||||
| Foliga vaaia | Angular | |||
| Lanu | Lanu pa'epa'e | |||
| Faigata | MOH 9.0 2100-3000kgf/cm2 | |||
| Mafiafia Moni | ≥3.90g/cm3 | |||
| Meafaitino Faavae | a-Al2O3 | |||
| Su'esu'ega Fa'akemikolo | |||
| Tele o le saito | Vaega | E manaʻomia e le GB Standard | Taua Masani o La Matou Oloa |
| #4 - #80 | Al2O3 | ≥ 99.10% | 99.65% |
| Na2O | ≤ 0.35% | 0.22% | |
| Fe2O3 | - | 0.03% | |
| SiO2 | - | 0.03% | |
| #90 - #150 | Al2O3 | ≥ 99.10% | 99.35% |
| Na2O | ≤ 0.40% | 0.30% | |
| Fe2O3 | - | 0.04% | |
| SiO2 | - | 0.05% | |
| #180 - #220 | Al2O3 | ≥ 98.60% | 99.20% |
| Na2O | ≤ 0.50% | 0.34% | |
| Fe2O3 | - | 0.05% | |
| SiO2 | - | 0.08% | |
Fa'aaogaina o le Oloa
1. Fa'apalapala oneone, fa'apulusaina ma oloina o u'amea ma tioata.
2. Fa'atumuina o le vali, ufiufi e tete'e atu i le ofuina, seramika, ma le vali vali.
3. Faia o maa suāuu, maa olo, uili olo, pepa olo ma ie emery.
4. Gaosiga o membrane faamama seramika, paipa seramika, papatusi seramika.
5. Gaosiga o le vai fa'apala, vai ga'o malo ma le vai ga'o.
6. Mo le fa'aaogaina o fola e tete'e atu i le ofuina.
7. Fa'aleleia atili o le oloina ma le fa'apulusaina o tioata piezoelectric, semiconductors, u'amea e le pala, alumini ma isi u'amea ma mea e le o ni u'amea.
8. Fa'amatalaga ma le fa'atulagaga.
Afai e iai ni au fesili. Fa'amolemole fa'afeso'ota'i matou.