Alumina chena yakasanganiswa yakagadzirwa nehupfu hwealumina ine sodium shoma nekunyungudutsa pakupisa kwakanyanya, kutonhora crystallization, uye kupwanywa. Magirasi machena akasanganiswa ealumina anodzorwa zvakasimba kuti arambe achipararira saizi yetsanga uye chitarisiko chakafanana.
Chena, α kristaro inopfuura 99%, kuchena kwakanyanya, kuomarara kwakanyanya, uye kusimba kwakanyanya, simba rakasimba rekucheka, kugadzikana kwakasimba kwemakemikari, uye kudzivirira kwakasimba.
| Kuomarara kweMohs | 9 |
| Kuwanda kwehuwandu | 1.75-1.95g/cm3 |
| Simba regiravhiti rakanyatsojeka | 3.95g/cm3 |
| Kuwanda kwevhoriyamu | 3.6 |
| Dhigirii rekunyunguduka | 2250℃ |
| Dhigirii reRefractory | 2000℃ |
| Inoshandiswa pakushandisa mushonga unorasika, unokandwa | |||||
| Zvivakwa | 0-1 1-3 3-5m/m | F100 F200 F325 | |||
| Kukosha kweVimbiso | Kukosha Kwakajairika | Kukosha kweVimbiso | Kukosha Kwakajairika | ||
| Kuumbwa kweMakemikari | Al2O3 | ≥99.1 | 99.5 | ≥98.5 | 99 |
| SiO2 | ≤0.4 | 0.06 | ≤0.30 | 0.08 | |
| Fe2O3 | ≤0.2 | 0.04 | ≤0.20 | 0.1 | |
| Na2O | ≤0.4 | 0.3 | ≤0.40 | 0.35 | |
| Inoshandiswa pakugadzira mabhurasiti, kuputika, kukuya | |||
| Zvivakwa | Zviyo | ||
| 8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# | |||
| Kukosha kweVimbiso | Kukosha Kwakajairika | ||
| Kuumbwa kweMakemikari | Al2O3 | ≥99.1 | 99.5 |
| SiO2 | ≤0.2 | 0.04 | |
| Fe2O3 | ≤0.2 | 0.03 | |
| Na2O | ≤0.30 | 0.2 | |
| Inoshandiswa pakugadzira mabrasives, lapping, Polishing | ||||
| Zvivakwa | Upfu hweMicro | |||
| "W" | W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5 | |||
| "FEPA" | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 | |||
| "JIS" | 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# 10000# 12500# | |||
| Kukosha kweVimbiso | Kukosha Kwakajairika | |||
| Kuumbwa kweMakemikari | Al2O3 | ≥99.1 | 99.3 | |
| SiO2 | ≤0.4 | 0.08 | ||
| Fe2O3 | ≤0.2 | 0.03 | ||
| Na2O | ≤0.4 | 0.25 | ||
1. Kuputira jecha, kupukuta nekukuya simbi negirazi.
2. Kuzadza pendi, chifukidziro chisingapfeki, ceramic, uye glaze.
3. Kugadzira matombo emafuta, matombo ekukuya, vhiri rekukuya, sandpaper nejira reemery.
4. Kugadzirwa kwema ceramic filter membranes, ma ceramic tubes, ma ceramic plates.
5. Kugadzirwa kwemvura inokwenenzverwa, wakisi yakasimba uye wakisi yemvura.
6. Yekushandisa pasi rinodzivirira kupfeka.
7. Kukuya nekupukuta kwepamusoro kwemakristaro epiezoelectric, masemiconductor, simbi isina ngura, aruminiyamu nedzimwe simbi nesimbi dzisiri dzesimbi.
8. Magadzirirwo uye kuumbwa
Kana muine mibvunzo. Ndapota inzwa wakasununguka kutibata nesu.