Morero o ka sehloohong oa ho kenyelletsa mofetoleli ka asphalt ke ho ntlafatsa ts'ebetso ea litsela tsa motsoako oa asphalt ka mocheso o phahameng, ho fokotsa deformation e sa feleng ka mocheso o phahameng, ho ntlafatsa ts'ebetso ea anti-rutting, anti-fatigue, anti-botsofali le anti-cracking. mocheso o tlase kapa o eketsa bokhoni ba ho thibela mokhathala ka mocheso o tlase, e le hore o ka finyella litlhoko tsa maemo a sephethephethe nakong ea moralo.