Alumina na-acha ọcha Na2o dị ala, enwere ike iji ya mee ihe na-atụgharị, ihe nkedo na abrasives.
- Corundum ọcha
- Alundum ọcha
- WFA
Nkọwa dị mkpirikpi
Ngwakọta kemịkalụ
| Ihe | Nkeji | Index | Ụdị | ||
| Ngwakọta kemịkalụ | Al2O3 | % | 99.00 nkeji | 99.5 | |
| SiO2 | % | 0.20 kacha | 0.08 | ||
| Fe2O3 | % | 0.10 kacha | 0.05 | ||
| Na2O | % | 0.40 kacha | 0.27 | ||
| Refractoriness | ℃ | 1850 min | |||
| Nnukwu njupụta | g/cm3 | Nkeji 3.50 | |||
| Mohs isi ike | --- | 9.00 nkeji | |||
| Akụkụ kristal bụ isi | --- | α-Al2O3 | |||
| Nha kristal: | μm | 600-1400 | |||
| Ezi njupụta | 3.90 nkeji | ||||
| Knoop ike | Kg/mm2 | ||||
| Refractory ọkwa | Ọka | mm | 0-50,0-1, 1-3, 3-5,5-8 | ||
| Ntupu | -8+16,-16+30,-30+60,-60+90 | ||||
| Nra | ntupu | -100,-200, -325 | |||
| Ọkwa abrasive&Mgbawa | FEPA | F12-F220 | |||
| Ọkwa Nchacha&Igwe ihe | FEPA | F240-F1200 | |||
Alumina dị iche iche jikọtara ọcha
| Ngwaahịa/Spec | Al2O3 | SiO2 | Fe2O3 | Na2O |
| WFA Low Soda ọka na nra | > 99.2 | <0.2 | <0.1 | <0.2 |
| WFA 98 ọka na nra | >98 | <0.2 | <0.2 | <0.5 |
| WFA98% demagnetized nra -200,-325 na -500Mesh | >98 | <0.3 | <0.5 | <0.8 |
| Ihe | Nha | Ngwakọta kemịkalụ (%) | |
| Fe2O3 (Nkeji) | Na2O (max) | ||
| WA & WA-P | F4~F80 P12-P80 | 99.10 | 0.35 |
| F90~F150 P100-P150 | 98.10 | 0.4 | |
| F180~F220 P180-P220 | 98.60 | 0,50 | |
| F230~F800 P240-P800 | 98.30 | 0.60 | |
| F1000~F1200 P1000-P1200 | 98.10 | 0.7 | |
| P1500-P2500 | 97.50 | 0.90 | |
| WA-B | F4~F80 | 99.00 | 0,50 |
| F90~F150 | 99.00 | 0.60 | |
| F180~F220 | 98.50 | 0.60 | |
Raw Material na Usoro nke Mmepụta
White Fused Alumina bụ nnukwu ịdị ọcha, ịnweta sịntetik.
A na-arụpụta ya site na ngwakọta nke ọkwa dị ọcha Bayer Alumina a na-achịkwa n'ime ọkụ arc eletrik na okpomọkụ karịrị 2000˚C na-esote usoro siri ike ngwa ngwa.
Njikwa siri ike maka ịdị mma nke akụrụngwa na paramita njikọ na-eme ka ngwaahịa dị oke ọcha na ịdị ọcha dị elu.
A na-echipịakwa crude ahụ jụrụ oyi, kpochaa ya site na adịghị ike magnetik na nnukwu ike ndọta separators wee kewaa ya n'obere irighiri nha ka ọ dabara na njedebe njedebe.
Ngwa
Ahịrị raara onwe ya nye na-emepụta ngwaahịa maka ngwa dị iche iche.
White Fused Alumina bụ nke ukwuu friable wee si otú a na-eji na Vitrified Bonded Abrasives ngwaahịa ebe dị jụụ, ngwa ngwa igbubi omume dị mkpa nakwa na mmepụta nke elu ịdị ọcha Alumina refractories.Ngwa ndị ọzọ na-agụnye iji na mkpuchi mkpuchi, ọgwụgwọ elu, ceramic tiles, mgbochi skid, ọkụ akwa akwa na nlekọta anụ ahụ / eze.
Banyere Mmepụta
