
Ibhola yeseramikhi yokugcina ubushushu yenziwe nge-alumina yemizi-mveliso kunye ne-kaolin enganyangekiyo njengezinto eziphambili zokwenza imveliso. Yenziwe ngokwesayensi, yakhiwe kwaye yafakwa i-calcium kubushushu obuphezulu. Ineempawu ezilungileyo:
1) Amandla aphezulu oomatshini kunye nobomi benkonzo ende;
2) Uzinzo oluhle lweekhemikhali, akukho mpendulo yeekhemikhali ngezinto;
3) Ukumelana kakuhle nobushushu obuphezulu, ubushushu obuphezulu bokumelana nobushushu bunokufikelela kwi-1900℃.
| Into | Ibhola yokugcina epholileyo | Ibhola yokugcina ubushushu |
| I-Al₂O₃ (%) | 20-30 | ≥65 |
| I-SiO₃+Al₂O₃(%) | ≥90 | |
| Fe₂O₃(%) | ≤1 | ≤1.6 |
| Ubungakanani(mm) | 10-20/20-40 | 16-18/20-25 |
| Umthamo wobushushu (J/kg.k) | ≥836 | ≥1000 |
| Ukuqhuba kwe-thermal (w/mk) | 2.6-2.9 | 2-4 |
| Ukumelana noxinzelelo olushushu (℃) | 800 | 1000 |
| Ukungaguquguquki (℃) | 1550 | 1750 |
| Ukulahleka kwe-Abrasion (%) | ≤0.1 | |
| Ubunzima bukaMohs (isikali) | ≥6.5 | |
| Amandla okutyumza (N) | 800-6000 | 1800-3800 |
| Ubuninzi bobuninzi (kg/m3) | 1300-1400 | 1500-1600 |