Fiberglass amaletsa Ar Grang ndi ZRO2 pamwamba pa 16.5% ndi nkhani yayikulu yomwe imatha kugwiritsidwa ntchito kwa konkriti wagalasi (GREC), yomwe ndi yolowa m'malo mwa zitsulo ndi Asbestos omwe ali ndi zitsulo zamiyala.
Chuma chagalasi cholimbika (grc) ali ndi kukana kwabwino kwa alkali, kumatha kukana kuwonongeka kwamphamvu kwa alkali mu simenti, kukhazikika kwamphamvu, kukana, kukana chisanu, komanso kukana kwakukulu.
Zinthuzo zimadziwika komanso zosavuta kuumba. Monga chopangira chagalasi kwambiri cholimbikitsira konkriti, chitha kugwiritsidwa ntchito kwambiri pomanga ndipo ndi mtundu watsopano wazinthu zolimbikitsa zobiriwira.
• kugwirira ntchito bwino
• Kubalalika kwakukulu: mafilimu 200 miliyoni pa kilogalamu kutalika kutalika 12 mm
• Osawoneka pamalo omalizidwa
• samasenda
• kuwongolera ndi kupewa kusokonekera mu konkriti yatsopano
• Kupititsa patsogolo kukulitsa kwamphamvu komanso makina a konkriti
• othandiza kwambiri pang'ono
• kusakaniza kosangalatsa
• otetezeka komanso osavuta kugwirira