Ko te ylon pulley he mea hanga mai i te nylon MC, he mea hanga te nuinga o te rauemi caprolactam ma te whakamahana, te whakarewa, te whakarewa me te whakakikoruatanga thermoplastic.He kaha te kaha o te hua, he maamaa te taumaha, he aukati kakahu me te aukati waikura.He nui te pikaunga o te urungi.