Umbala wolu hlobo lwelaphu ungenziwa ngokwezifiso njengoko ufuna. Wenziwe nge-65% ye-polyester kunye ne-35% yekotoni.
Iqondo lokunyibilika kwepolyester lisondele kwele-polyamide, ukusuka kwi-250 ukuya kwi-300°C. Iifayibha zepolyester ziyancipha kwilangatye zize zinyibilike, zishiya intsalela emnyama eqinileyo. Ilaphu litsha ngevumba elinamandla nelinobuhlungu. Ubushushu beefayibha zepolyester, abugcini nje ngokuzinzisa ubungakanani kunye nokuma kodwa bukwaphucula ukumelana nemibimbi yeefayibha. Iifayibha zekotoni ziifayibha zendalo ezingenanto; zithambile, zipholile, zaziwa njengeefayibha eziphefumlayo kwaye ziyafunxa. Iifayibha zekotoni zinokubamba amanzi ngokuphindwe ka-24-27 ubunzima bazo. Ziqinile, ziyafunxa idayi kwaye zinokumelana nokuguguleka kokukrweleka kunye nobushushu obuphezulu. Ngamafutshane, ikotoni ikhululekile. Ekubeni ikotoni imibimbi, ukuyixuba nepolyester okanye ukusebenzisa ukugqitywa okungapheliyo kunika iimpawu ezifanelekileyo kwimpahla yekotoni. Iifayibha zekotoni zihlala zidityaniswe nezinye iifayibha ezifana ne-nylon, ilinen, uboya, kunye ne-polyester, ukuze kufezekiswe iipropati ezilungileyo zefayibha nganye.
