- tayal mai siffar murabba'i, murabba'i, murabba'i mai siffar murabba'i tare da dimples
- toshe yumbu tare da makulli
– silinda na yumbu
- tukwane na musamman marasa tsari
- tabarmar tayal ɗin yumbu
| (Tsawon*faɗi*kauri) |
| 40*40*25mm |
| 40*20*25mm |
| 30*30*25mm |
| 30*15*25mm |
| 40*40*40mm |
| 40*40*50 mm |
| 40*20*50 mm |
| 40*40*10 mm |
| 38*38*38 mm |
| 32*32*32mm |
| 32*32*16 mm |
| Ƙarin girma dabam dabam da girman da aka keɓance ana iya karɓa. Duk wani sinadari na yumbu na alumina tare da harshe da ramuka. |
| Al2O3 | SiO2 | CaO | MgO | Na2O |
| 92~93% | 3 ~ 6% | 1~1.6% | 0.2~0.8% | 0.1% |
Sifofin jiki:
| Nauyin nauyi na musamman (g/cc) | >3.60 |
| A bayyane yake cewa akwai ramuka (%) | 0 |
| Ƙarfin Lankwasawa (digiri 20 na Celsius, Mpa) | 334 |
| Ƙarfin matsi (20°C, Mpa) | 1770 |
| Taurin Rockwell (kg/mm 2) | 918 |
| Taurin Vickers (hv) | >750 |
| Taurin Moh (sikelin) | ≥9 |
| Faɗaɗawar Zafi (20-800degree centigrade, x10-6/degree centigrade) | 8.30 |
| Girman Lu'ulu'u (μm) | 1.3~3.0 |