Chowunikira cha kuwala (OB-1)
Mafotokozedwe:
| Chinthu | Muyezo |
| Maonekedwe | Ufa wa kristalo wobiriwira wachikasu kapena ufa wa kristalo wachikasu |
| Malo osungunuka | 357-361℃ |
| Chiyero | ≥98.5% |
| Mtundu wa mtundu | Buluu |
| Kusalala | ≥300mesh |
| Madzi osathamanga kwambiri | ≤0.5% |
Lembani uthenga wanu apa ndipo mutitumizireni



