highway noise barrier

Specifications 1.Noise barrier perforated mesh metal

2.thickness:0.5mm-20mm

3.type:perforated

4.hole pattern:round,square,triangle

  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 color UV 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/moC Temperature: -40oC to 120oC Heat 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:6mm--29dB,8mm--31dB,10mm-32dB 12mm--34dB