Highway Noise Barrier for Highway Used

Sound barriers is also called noise barriers, it is mainly used in highway, railway, subway, residential area, factory and other public places for protection from the noise pollution.

Specifications of aluminum sound barriers

Technical features of aluminum sound barriers

1) Impact strength: 850J/m ,the impact strength of solid PC sheets is 250 times that of glass, 20-30 times of  PMMAsheet

2) Light transmission: 80%-90% for different thickness of clear color

3) UV resistance: With our 50μm thickness UV layer ,the sheet can filter 99% ultraviolet radiation in sunlight

4) Specific gravity: 1.2 g/cm

5) Specific heat: 1.16J/kgk 

6) Temperature: -40oC to 120oC

7) Heat conductivity: 2.3-3.9 W/m2   oC

8) Tensile strength:  >60N/mm2

9) Flexural strength: 100N/mm2

10) Modulus of elasticity:  2,400mPa

11) Tensile street at break:  >65mPa

12) Elongation at break: >100%

13) Heat deflection temperature: 140oC

14) Coefficient of thermal expansion: 0.065 mm/moC

15) Soundproof index:  6mm--29dB,8mm--31dB,10mm-32dB 12mm--34dB 

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