Okwezithasiselo zezibulala-zinambuzane I-Epoxy resin Okwamasimu kawoyela Okwezithasiselo zezibulala-zinambuzane Ukuze ukhiqize polycarbonate Isetshenziswa njengesengezo sikapende Isetshenziswa njengesengezo sombala Isetshenziswa njengesengezo samasondo Isetshenziswa njenge-absorber ultraviolet Isetshenziselwa ukukhiqiza uyinki Isetshenziselwa ukukhiqiza i-phenolic resin Isetshenziselwa ukuxosha izinambuzane nezibungu