polycarbonate sheet Specifications: Thickness:1.5-12mm Maximum width: 2,100mm Length: any dimension Specific gravity: 1200kg/cbm Colors: clear, blue, green, opal, brown,bronze,etc. Technical features: Impact strength: 850J/m ,the impact strength of solid PC sheets is 250 times that of glass, 20-30 times of PMMA sheet Light transmission: 80%-90% for different thickness of clear colorUV resistance:with our 50μm thickness UV layer ,the sheet can filter 99% ultraviolet radiation in sunlight Specific gravity: 1.2 g/cm Coefficient of thermal expansion: 0.065 mm/moCTemperature: -40oC to 120oCHeat conductivity: 2.3-3.9 W/m2 oC Tensile strength: >60N/mm2 Flexural strength: 100N/mm2 Modulus of elasticity: 2,400mPa Tensile street at break: >65mPa Elongation at break: >100% Specific heat: 1.16J/kgk Heat deflection temperature: 140oC Soundproof index:4mm thickness--27dB,5mm--28dB,6mm--29dB,8mm--31dB,10mm-32dB 12mm--34dB