... :1.light transmisson 2.thermal insulation 3.sound insulation 4.uv protection 5.easy install. polycarbonate sheet for buildingProducts profileA: Polycarbonate ... fire retardant classification of POLYGAL project sun sheet is B1. 4, ImpactresistanceIts outstanding toughnes offers greater protection against breakage during ... Thickness(mm)1.2mm,1.5mm,2.0mm,3.0mm,4.0mm,4.5mm 6.0mm,8.0mm,10.0mm,12.0mmLength ...