Inogona kushandiswa kusapinda mvura uye mafuta proof kupera kwemachira akasiyana.Nekuchinja kuumbwa kwefiber surface layer, uye kunamatira zvakasimba kune fiber kana kusanganiswa nekemikari fiber, jira racho harisi nyore kunyoroveswa nemvura, mafuta uye mamwe mavara, zvichipa jira rakanakisisa remvura nemafuta, izvo zvinogona. kusvika Giredhi IV neGiredhi VI zvakateerana.Iyo C6 isina mvura uye yemafuta inodzoreredza mumiriri haina mhedzisiro yakaipa pamucheka wakapedzwa, uye haina kukanganisa kwayo kwepakutanga permeability uye kunzwa;Kushambidzika kwakanaka, jira racho richiri rakanakisa mumvura, mafuta uye kusagadzikana kwetsvina mushure mekugeza zvakare;Kugarisana kwakanaka, kunogona kushandiswa mubhati rimwe chete nekunyorovesa uye mamwe mapeji ekupedzisa;Chengetedzo uye kuchengetedzwa kwezvakatipoteredza, kusasanganisa PFOA nePFOS (zviri mukati zvakaderera pane yekuona muganho kukosha), zvinoenderana nekunze kwemitengo.