Porcelain lub tes tsho yog ib qho khoom siv rwb thaiv tsev uas siv dav hauv cov tshuab hluav taws xob. Cov txheej txheem kev ua tau zoo rau lub tes tsho plooj (porcelain) muaj xws li: tsis muaj kab nrib pleb, tsis xws luag, me ntsis lossis lwm yam tsis xws luag ntawm qhov tsos; Lub concentricity ntawm sab nrauv thiab sab hauv phab ntsa yog Less tshaj los yog sib npaug rau {{0}}.3mm, phab ntsa thickness txawv Less tshaj los yog sib npaug rau 0.3mm, thiab qhov ncaj yog tsawg dua. los yog sib npaug li 0.5mm; Cov khoom ntim ntim ntom ntom ntau dua lossis sib npaug li 5.9g / cm3, thermal stability: 1400 degree C ~ 20 degree C (natural txias rau 10 zaug tsis muaj cracking).