Ukushintsha imithwalo ngesikhathi sokuthutha kuyimbangela ehamba phambili yokulimala kwempahla, ukubambezeleka kokulethwa, kanye nezicelo zomshwalense. Ibhande le-PET (i-polyester strap) linikeza ukugcinwa kwe-tension ephakeme okugcina imithwalo izinzile njengoba ihlezi, icindezela, noma ishintsha ngesikhathi sokuthutha. Ngokusho kokuhlaziywa kwemboni, ibhande le-PET ligcina ukungezwani okungcono kunensimbi noma i-PP, lihlala liqinile ngisho naphakathi nokunyakaza okubalulekile kokuhamba. Lo mhlahlandlela uchaza ukuthi ibhande le-PET likunciphisa kanjani ukushintshwa komthwalo kanye nendlela yokuyisebenzisa ngokuphumelelayo emisebenzini yezokuthutha kanye nempahla.
Ukukhetha phakathi kwebhande le-PET elibushelelezi neligxilile (ibhande le-polyester) kuthinta ukwethembeka kokudla, ikhwalithi yophawu, nokumelana nokuhlukaniswa. Ibhande le-PET eligqanyisiwe linikeza ukusebenza okuphezulu nokubamba nokondla emishinini ezenzakalelayo, kuyilapho ibhande le-PET elibushelelezi linikeza ukusebenza okwanele kokusebenza okwenziwa ngesandla kanye ne-semi-automatic. Lo mhlahlandlela uqhathanisa kokubili ukuqedwa kwendawo kuzo zonke izindlela zokusebenza ezibalulekile ukuze usize abathengi bakhethe inketho elungile yezinto zabo zokusebenza nesicelo.
I-PET strap (i-polyester strap) izindinganiso zokulawula ikhwalithi ziqinisekisa ukusebenza okungaguquki nokuphepha komthwalo. Ngokusho kokucaciswa kwe-ASTM D3950, ukuhlolwa kwekhwalithi kufanele kuqinisekise amandla aqinile, ubude, ukunemba kobukhulu, namandla ophawu lokushisa. Lo mhlahlandlela uchaza izindinganiso ezibalulekile zokulawula ikhwalithi, izimiso zokuhlola, nokuthi yini abathengi okufanele bayibheke lapho beqinisekisa ikhwalithi yebhande le-PET.
Ibhande le-PET (ibhande le-polyester) seliphenduke into ekhethwayo yokubopha ezisetshenziswa embonini esindayo, esikhundleni sensimbi ekuhlanganisweni kwekhoyili yensimbi, ukuhlanganisa izitini, ukupakishwa kwebale kakotini, kanye nokuvikela izingodo. Ngamandla aqinile afika ku-600 N/mm², ukugcinwa kwengcindezi okuhle kakhulu, nokusebenza okungagqwali, ibhande le-PET liletha amandla afana nensimbi ngaphandle kokushiyeka kwensimbi. Ngokusho kokuhlaziywa kwemboni, ibhande le-PET lingakwazi ukufaka esikhundleni sensimbi emisebenzini eminingi enzima, yehlise izindleko eziphelele ngo-30-50% kuyilapho ithuthukisa ukuphepha kwabasebenzi futhi iqeda ukugqwala.