... impact resistance, good head good insulation, sound insulation, light weight, flame resistance , weather resistance, easy cutting ,good machining capability and ... fire retardant classification of POLYGAL project sun sheet is B1. 4, ImpactresistanceIts outstanding toughnes offers greater protection against breakage during ... mm)1.2mm,1.5mm,2.0mm,3.0mm,4.0mm,4.5mm 6.0mm,8.0mm,10.0mm,12.0mmLength(mm) ...