PBAT ipurasitiki inoora. Inoreva rudzi rwepurasitiki inoora netupukanana turipo muzvisikwa, senge mabhakitiriya, chakuvhuvhu (fungus) uye algae. Purasitiki inoora netupukanana yakanaka imhando yezvinhu zvepolymer zvine mashandiro akanaka, zvinogona kuora zvachose netupukanana twunobva muzvakatipoteredza mushure mekuraswa, uye pakupedzisira kuva inorganic uye kuva chikamu chakakosha chekabhoni muzvisikwa.
Misika mikuru yepurasitiki inoora ndeyemapurasitiki ekurongedza, mafirimu ekurima, mabhegi epurasitiki anoraswa uye tafura dzepurasitiki dzinoraswa. Zvichienzaniswa nezvinhu zvepurasitiki zvechinyakare, mutengo wezvinhu zvitsva zvinoora wakakwira zvishoma. Zvisinei, nekuwedzera kweruzivo rwezvakatipoteredza, vanhu vanoda kushandisa zvinhu zvitsva zvinoora zvine mitengo yakakwira zvishoma kuchengetedza nharaunda. Kuwedzerwa kweruzivo rwezvakatipoteredza kwakaunza mikana mikuru yekusimudzira indasitiri yezvinhu zvitsva zvinoora.
Nekukura kwehupfumi hweChina, kuitirwa kwemitambo yeOlympic, World Expo nezvimwe zviitiko zvakawanda zvakakura zvakashamisa nyika, kudiwa kwekuchengetedzwa kwenhaka yetsika dzepasi rose nenzvimbo dzakanaka dzenyika, dambudziko rekusvibiswa kwezvakatipoteredza rinokonzerwa nemapurasitiki rave richitariswa zvakanyanya. Hurumende pamatanho ese dzakanyora kurapwa kwekusvibiswa kwechena seimwe yemabasa adzo makuru.