soundproof sheets 1.high soundinsulated effect 2.high impact resistance 3.competeive price 4used for high way,railway sound berrier PC sheet, high impact resistance very competetive price Polycarbonate Solid Sheet,Daylighting Specifications: Thickness: 6 to 16mm Maximum width: 2,100mm Length: any dimension Specific gravity: 1200kg/cbm Colors: clear, blue, green, opal, brown,bronze,etc. Technical ...