Ishidi Elinwetshiwe Lendwangu Yengilazi ye-D&F ye-D&F's PIGC301 iqukethe indwangu yengilazi elukiwe efakwe futhi ehlanganiswe ne-polyimide thermosetting resin ekhethekile, elamine ngaphansi kwezinga lokushisa eliphezulu nokucindezela. Indwangu yengilazi elukiwe ngeke ingabi ne-alkali futhi iphathwe nge-KH560.