
Kubbadaha Dhoobada aan La Qaban (Porcelain) oo ah sidayaal taageero u ah kataliyayaal, nuugayaal, sida shaandhooyin molecular ah; si ay u buuxiyaan qalabka falcelinta, waxay u shaqeeyaan sidii qaybiye ka mid ah walxaha iyo qaboojiyeyaasha warshadaha batroolka iyo kiimikada; sida jidhka shiidida ee walxaha shiidi ee warshadaha kubbadda marka la shiidi iyo la isku darayo kiimikooyinka, daawooyinka, rinjiga, dusha sare ee birta, shiidi walxaha cayriin ee cuntada ee warshadaha cuntada. Kubbadaha waxay leeyihiin nuugid biyo oo aad u hooseeya (<0.1%) dhab ah, iska caabin aashito sare (>99.6%), iyo cimri dheer oo adeeg ah oo ku xiran xaaladaha shaqada. Kubbadaha Boorashka waxaa laga sameeyay foorno silicate (alumina) ah iyadoo la isku dhejinayo budada, la qaabeynayo, la jiidayo afka, oo dhexroorkoodu u dhexeeyo 3 mm ilaa 50 mm. Noocyada kale ee alaabada dhoobada ah waxaa lagu samayn karaa codsigaaga iyadoo la raacayo xogta farsamada ee lagama maarmaanka ah.
| Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O+CaO | Kale |
| > 92% | 17-23% | <1% | <0.5% | <4% | <1% |
Daadinta Fe2O3 waxay ka yar tahay 0.1%
| Shay | Qiimaha |
| Nuugista biyaha (%) | <0.5 |
| Cufnaanta badan (g/cm3) | 1.35-1.4 |
| Cufisjiidadka gaarka ah (g/cm3) | 2.3-2.4 |
| Mugga bilaashka ah (%) | 40 |
| Heerkulka Hawlgalka. (ugu badnaan) (℃) | 1100 |
| Adkaanshaha Moh (miisaanka) | >6.5 |
| Iska caabbinta aashitada (%) | >99.6 |
| Iska caabbinta alkalinka (%) | >85 |
| Cabbirka | Xoogga burburinta | |
| Kg/walxaha | KN/walxaha | |
| 1/8 inji (3mm) | >35 | >0.35 |
| 1/4 inji (6mm) | >60 | >0.60 |
| 3/8 inji (10mm) | >85 | >0.85 |
| 1/2 inji (13mm) | >185 | >1.85 |
| 3/4 inji (19mm) | >487 | >4.87 |
| 1 inji (25mm) | >850 | >8.5 |
| 1-1/2 inji (38mm) | >1200 | >12 |
| 2 inji (50mm) | >5600 | >56 |