Noise Barrier Walls - Metal sound barrier

1.Noise barrier perforated mesh metal, 2.thickness:0.5mm-20mm, 3.type:perforated, 4.hole pattern:round,square,triangle - details see: https://www.buildingsupplieshub.com/noise-barrier-walls-10091804

Type: Sound Barriers

Place of Origin: Hebei China (Mainland)

Brand Name: ANCHUANG

Model Number: Metal sound barrier

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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/m^oC

Temperature: -40^oC to 120^oC

Heat conductivity: 2.3-3.9 W/m^{2 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/kg^k
Heat deflection temperature: 140^oC
Soundproof index:6mm--29dB,8mm--31dB,10mm-32dB 12mm--34dB