Izitena ezigobileyo ezichasene ne-alkali ziqulethe i-Al2O3 malunga ne-30% ~ 45%, kwaye umxholo we-silica ungaphantsi kwe-78%. Izitena ezigobileyo ezichasene ne-alkali zezezinto ezigobileyo ezichasene ne-alkali. Ibhloko egobileyo echasene ne-alkali ayimelani ne-asidi slag kunye nokukhukuliseka kweegesi ze-asidi, kodwa amandla okuxhathisa i-alkali aphantsi kancinci. Iibhloko ezigobileyo ezichasene ne-alkali zinophawu lokusebenza kakuhle kobushushu kunye nokuxhathisa okuhle kobushushu.
| Isitena somlilo esigobileyo | |||
| Isalathiso | Isitena se-Alumina Fireclay esingu-40 – 45% | Izitena zomlilo ze-Alumina ezingama-30 – 35% | |
| Into | Iyunithi | 1600°C | 1500°C |
| Unizi lolwapho kuyiwa khona | g/cm³ | 2.2 | 2.1 |
| Ukuqhekeka Okubonakalayo | % | 22 | 24 |
| Imodulus yokuqhekeka | kg/cm² | 90 | 80 |
| Amandla okutyumza abandayo | kg/cm² | 300 | 250 |
| Ukwandiswa komgca 1350°C | % | 0.2 | 0.2 |
| Ukungaguquguquki Phantsi Komthwalo | °C | 1450 | 1300 |
Isitena somlilo esigobileyo sisetyenziselwa ikakhulu ukuvala ubushushu obuphakathi okanye ukuvala ubushushu obuphakathi kwezinye izinto ezithintela ubushushu, ukuvala ubushushu obuphakathi okanye izinto ezithintela ubushushu ezisetyenziswa kumashishini, ezinje ngee-ethylene pyrolysis furnaces, ii-tubular furnaces, ii-reforming furnaces ze-synthetic ammonia, ii-gas generators kunye nee-shullte kilns ezishushu kakhulu, njl.njl.