Brief introduction of sound barriers
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
Thickness |
4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm |
Width |
1, 220mm, 2, 100mm |
Weight(Kg/M2): |
0.8, 1.2, 1.4, 1.6, 1.9, 2.2, 2.4, 2.6, 3.0, 3.3 |
Colors |
white, lake blue, green, blue, opal, brown, silvery gray, red
(other color can be ordered according to your request)
|
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