Alumina ntụ ntụ bụ ihe dị ọcha dị elu, ihe dị mma nke sitere na aluminum oxide (Al2O3) nke a na-ejikarị eme ihe n'ọtụtụ ụlọ ọrụ mmepụta ihe.Ọ bụ ntụ ntụ kristal na-acha ọcha nke a na-emepụtakarị site na nnụcha bauxite ore.Alumina ntụ ntụ nwere ọtụtụ ihe na-achọsi ike, gụnyere ike siri ike, nguzogide kemịkalụ, na mkpuchi eletrik, nke na-eme ka ọ bụrụ ihe bara uru n'ọtụtụ ụlọ ọrụ.
Nlereanya | Ntụ ntụ | Achicha (ibe) | Ọkụkụ (Bọọlụ) |
Ụdị | Ọcha rụrụ ntụ ntụ | Achịcha ọcha | Ọcha granular |
Nkezi dayameta irighiri ihe mbụ (um) | 0.2-3 | - | - |
Mpaghara elu akọwapụtara (m/g) | 3-12 | - | - |
Njupụta nnukwu (g/cm) | 0.4-0.6 | - | 0.8-1.5 |
Nnukwu njupụta (g/cm) | - | 3.2-3.8 | - |
Ọdịnaya Al2O3 (%) | 99,999 | 99,999 | 99,999 |
Si(ppm) | 2 | 2 | 2 |
Na (ppm) | 1 | 1 | 1 |
Fe(ppm) | 1 | 1 | 1 |
Ca(ppm) | 1 | 1 | 1 |
mg(ppm) | 1 | 1 | 1 |
S(ppm) | 1 | 1 | 1 |
Ti(ppm) | 0.3 | 0.3 | 0.3 |
Ku (ppm) | 0.8 | 0.8 | 0.8 |
Cr (ppm) | 0.5 | 0.5 | 0.5 |
Dị ka dị iche iche chọrọ nwere ike inye ntụ ntụ, granule, ngọngọ, achịcha ma ọ bụ kọlụm ụdị |
Ngwa ntụ ntụ aluminom oxide
Ụlọ ọrụ 1.Ceramic: seramiki eletrọnịkị, seramiki refractory, na ceramics dị elu.
2.Polishing na Abrasive Industry: anya anya anya m, semiconductor wafers, na dara elu.
3.Catalysis
4.Thermal Spray mkpuchi: Aerospace na automotive industries.
5.Electrical mkpuchi
Ụlọ ọrụ 6.Refractory: akwa mkpuchi ọkụ, n'ihi nnukwu agbaze ya na nkwụsi ike okpomọkụ dị mma.
7.Additive na polymers
8.Other: dị ka mkpuchi na-arụ ọrụ, adsorbents, catalysts and catalyst supports, vacuum cover, pụrụ iche iko ihe, ihe mejupụtara, resin filler, bio-ceramics wdg.
Ọ bụrụ na ị nwere ajụjụ ọ bụla. Biko nweere onwe gị ịkpọtụrụ anyị.