Umehluko phakathi white corundum powder kanye ne-alumina powder

Impushana emhlophe ye-corundum ne-alumina powder inokubukeka okufanayo namagama afanayo. Abantu abaningi bafuna ukucacisa umehluko phakathi kwabo. I-Qianjiaxin Refractories elandelayo izoyihlukanisa nokwakheka kwayo.

1. White corundum powder

(1) Ifomu lekristalu: uhlelo lwekristalu elingunxantathu;

(2) Ukuminyana: 3.90 g/cm3;

(3) Hardness: Knoop hardness 2000-2200Kg/mm2, Mohs hardness 9.0;

(4) Iphuzu elincibilikayo: 2250C;

(5) Izinga lokushisa eliphezulu lokusebenza: 1900C;

(6) Ukushisa okuqondile (Cal/gC): 0.26 (20-90C);

(7) I-Thermal conductivity: 900C ekamelweni lokushisa (Cal/cm3.sec.C);

(8) Inkomba ye-Refractive: e=1.760 w=1.768 (Na line);

(9) I-coefficient yokunwetshwa komugqa: (7-9)*10^-6/K(0-1600C).

2. Impuphu ye-Alumina

(1) Ukubukeka: impushana emhlophe, isigaba secrystalline γ;

(2) Isilinganiso sosayizi wezinhlayiyana (nm): 20±5;

(3) Okuqukethwe %: okukhulu kuno-99.9%;

(4) Iphuzu elincibilikayo: 2010℃-2050℃;

(5) Iphuzu elibilayo: 2980 ℃;

(6) Ukuminyana okuhlobene (amanzi = 1): 3.97-4.0;

(7) Umbala: omhlophe, oluhlaza okwesibhakabhaka okumnyama ngemva kokubala.

I-white corundum powder ingasetshenziswa njengemidiya yokuxhumana, ama-insulators kanye nesihlabathi sokuphonsa ngokunemba, njll. I-Alumina powder ze ingasetshenziswa ekuqhubeni ukushisa, ukupholisha, i-electroplating, i-catalyst, njll.