ngaphantsi1

Iimveliso

Aluminiyam  
Uphawu Al
Isigaba kwi-STP eqinileyo
Indawo yokunyibilika 933.47 K (660.32 °C, 1220.58 °F)
Indawo yokubilisa 2743 K (2470 °C, 4478 °F)
Ubuninzi (kufuphi ne-rt) 2.70 g/cm3
xa ulwelo (kwi mp) 2.375 g/cm3
Ubushushu bomxube 10.71 kJ / mol
Ubushushu bomphunga 284 kJ/mol
Umthamo wobushushu beMolar 24.20 J/(mol·K)
  • I-Aluminiyam oxide yealpha-isigaba 99.999% (isiseko sesinyithi)

    I-Aluminiyam oxide yealpha-isigaba 99.999% (isiseko sesinyithi)

    I-Aluminiyam oxide (Al2O3)yikristale emhlophe okanye ephantse yangenambala, kunye nekhemikhali yealuminiyam neoksijini.Yenziwe nge-bauxite kwaye ngokuqhelekileyo ibizwa ngokuba yi-alumina kwaye inokubizwa ngokuba yi-aloxide, i-aloxite, okanye i-alundum ngokuxhomekeke kwiifomu ezithile okanye izicelo.I-Al2O3 ibalulekile ekusetyenzisweni kwayo ukuvelisa isinyithi se-aluminium, njenge-abrasive ngenxa yobunzima bayo, kwaye njengento ephikisayo ngenxa yendawo ephezulu yokunyibilika kwayo.