Ruwan tabarau na PC na ruwan tabarau na ruwan tabarau na ruwan tabarau masu zafi ne mai ƙarfi, wato, albarkatun ƙasa ruwa ne, mai zafi don samar da ruwan tabarau masu ƙarfi. Fim ɗin PC kuma ana kiransa "fim ɗin sararin samaniya", "fim ɗin sararin samaniya", sunan sinadari na polycarbonate, abu ne na thermoplastic.
Lens na PC yana da ƙarfi mai ƙarfi, ba karye ba (ana iya amfani da 2cm don gilashin hana harsashi), don haka ana kiransa ruwan tabarau mai aminci. Ƙayyadaddun ƙayyadaddun nauyi a kowane centimita cubic na ruwan tabarau na PC shine gram 2 kawai, wanda shine mafi ƙarancin abu da ake amfani da shi don ruwan tabarau a halin yanzu. Kamfanin kera ruwan tabarau na PC shine kan gaba a duniya Esilu, fa'idodinsa suna nunawa a cikin maganin aspheric ruwan tabarau da taurin magani.