Ngokuvamileko, izinga lokutjhisa lokwakha ifilimu lepuyere ye-latex ehlakazekako lingaphezulu kwe-0°C, ngesikhathi imikhiqizo ye-EVA ivamise ukuba nezinga lokutjhisa lokwenza ifilimu elingaba ngu-0–5°C. Emazingeni womtjhiso aphasi, ukwakheka kwefilimu angeze kwenzeka (nofana ikhwalithi yefilimu ayikalungi), okuphazamisa ukuguquguquka nokunamathelana kwe-polymer mortar. Ukungezelela, izinga lokuncibilika kwe-cellulose ether liyancipha emazingeni womtjhiso aphasi, okuthinta ukunamathelana nokusebenza kwedaka. Ngalokho-ke, ukwakhiwa kufanele kwenziwe ngaphezulu kwe-5°C ngendlela ekungakghoneka ngayo ukuqinisekisa ikhwalithi yephrojekthi.
I-ejenti yamandla yokuthoma mhlanganisela ongathuthukisa amandla wokuthoma wedaka ngaphandle kokuthinta khulu amandla wayo wokugcina. Ngokuya ngokwakheka kwayo kwamakhemikhali, ihlukaniswe yaba mihlobo ye-organic ne-inorganic: ama-ejenti wamandla wokuthoma we-organic afaka hlangana i-calcium formate, i-triethanolamine, i-triisopropanolamine, i-urea, njll.; ezingaphiliko zifaka hlangana ama-sulfate, ama-chloride, njll.
Isikhathi sokuposa: 18 kuNobayeni 2025
