I-Portland cement iyindwangu enomhlaba eluhlaza iqukethe i-calcium silicates, i-aluminates, kanye ne-ferrites elenziwe ngezinqumo ezilawuliwe zokwonga kwelinayini, umhlaba, nezinto ezinosilikha. Emthakalelo wekulungiselela okujulile nomhlaba owusukela, i-Portland cement isebenza njengento enkosi yokuxumeka e-konkriti nasezinhlela zokugcoba, ikuhlinzeka nokuqina komuklamo, ukuzinza kwekemikali, nokuqina okude okusiko kemikhakha engaphansi komhlaba lapho izidingo zomsebenzi ziphakeme kanti izingkubane zesimo sizodwa ziyabethekela.
I-Portland cement iyindwangu enomhlaba eluhlaza iqukethe i-calcium silicates, i-aluminates, kanye ne-ferrites elenziwe ngezinqumo ezilawuliwe zokwonga kwelinayini, umhlaba, nezinto ezinosilikha. Emthakalelo wekulungiselela okujulile nomhlaba owusukela, i-Portland cement isebenza njengento enkosi yokuxumeka e-konkriti nasezinhlela zokugcoba, ikuhlinzeka nokuqina komuklamo, ukuzinza kwekemikali, nokuqina okude okusiko kemikhakha engaphansi komhlaba lapho izidingo zomsebenzi ziphakeme kanti izingkubane zesimo sizodwa ziyabethekela.