Umqolo weenkqubo ezingenakubalwa ezizenzekelayo emhlabeni jikelele yi-polypropylene PP strap, evelele xa ifika ekusebenzeni ngokupakisha ngokufanelekileyo. Le nto yokubopha, eyenziwe ikakhulu nge-polypropylene resin, i-polymer ye-thermoplastic,
Xa kuthengwa izinto zokupakisha kumashishini, ukujonga umgangatho we-polyester strap kuyisinyathelo esibaluleke kakhulu esinefuthe elithe ngqo kwindlela ekhuselekileyo ngayo imithwalo kunye nokuba kubiza kangakanani ukuqhuba ishishini. Umtya okumgangatho ophezulu we-PET polyester unamandla okuqina ukusuka kwi-180 ukuya kwi-1360 kg,
Amandla obunzima be-PET strap ngokuqhelekileyo asuka kwi-160 ukuya kwi-635 kilograms, kuxhomekeke kubukhulu bayo kunye nomgangatho wokuvelisa. Lo mlinganiso ubonisa amandla aphezulu i-polyethylene terephthalate strapping inokumelana ngaphambi kokuba yaphulwe, iyenze ibe yinto ebalulekileyo yokuthengwa kwempahla.