... verified and SGS 4. 88% light transmssion polycarbonate lighting shieldProducts profileA: Polycarbonate sheet is a new kind ... , good head good insulation, sound insulation, light weight, flame resistance , weather resistance, easy cutting ,good machining capability ... hotel,stadium,school ,amusement center ,hospital,etc.2. skylight,lighting for corridors ,balcony,passages and subway entries ,walkways.3 ...