... micron UV coating 4)Short delivery 5)OEM acceptable corrugated polycarbonate sheet:Specifications: MaterialBayer,Lexan,TeijinWidth1220mm,1560mm,1820mm,2100mmLengthNo ... Soundproof index: 4mm-27dB,10mm-33dB Applications: 1) Roofing skylight for office building, department store, hotel, stadium, school, hospital ... decoration material.9) Instrument and machine windscreen corrugated polycarbonate sheet