Dab tsi yog cov yam ntxwv ntawm PPSU spectacle thav duab
PPSU, lub npe scientific: polyphenylsulfone resin. Qhov no yog amorphous thermal yas nrog siab transparency thiab siab hydrolytic stability. Cov me nyuam lub raj mis ua los ntawm cov khoom no muaj permeability ntawm lub khob me nyuam lub raj mis thiab lub lightness thiab poob tsis kam ntawm ib tug me nyuam lub raj mis yas. Nyob rau tib lub sijhawm, tsis muaj bisphenol A teeb meem rau menyuam yaus, thiab nws tuaj yeem tiv taus rov ua kom tsis muaj menyuam. Nws yog ib lub raj mis zoo tagnrho cov khoom siv.