... acceptable corrugated polycarbonate sheet:Specifications: MaterialBayer,Lexan,TeijinWidth1220mm,1560mm,1820mm,2100mmLengthNo limitedThickness1.0-13mmColorClear,green,opal,bronze,blue,orange,redNotesSpecial ... -27dB,10mm-33dB Applications: 1) Roofing skylight for office building, department store, hotel, stadium, school, hospital.2) ... .9) Instrument and machine windscreen corrugated polycarbonate sheet