Kare, machira ekunze aibatwa nemafuta akasanganiswa (PFCs) kuti adzinge mafuta-based stains, asi zvakaonekwa kuti zvakanyanya bio-inoramba uye zvine njodzi pakudzokororwa kuratidzwa.

Ikozvino, kambani yekuCanada yekutsvagisa yakatsigira yekunze brand Arc'teryx kugadzira oiri inodzinga fluorine-isina machira kupedzisa vachishandisa hunyanzvi hutsva hunosanganisa kuvaka machira nePFC-yemahara-yepamusoro-based coatings.