polycarbonate acoustic barrier board

Excellent material for Sound barrier,Speed way Sound barrier,
Indoor sound barrier,and all kinds of sound barrier

Specifications:
1) Thickness: 1.5mm - 12mm
2) Maximum width: 2,100mm
3) Length: any dimension
4) Specific gravity: 1200kg/cbm
5) Colors: clear, blue, green, opal, brown, bronze, etc.
6)MOQ: 3 tons
7)Payment: T/T or L/C at sight
8)Lead time: 10days
Technical features:
1) Impact strength: 850J/m. That means the impact resistance of polycarbonate solid sheet is about 200 times of common glass, 20 times of acrylic sheets.
2) Light weight: About 1/2 times of glass .
2) Light transmission(clear color)80%--90% for different thickness
2) Light transmission: 80%-90% for different thickness of clear color
3) Specific gravity: 1.2 g/cm
4) Coefficient of thermal expansion: 0.065 mm/m°C
5) Service temperature range: -40°C to 120°C
6) Heat conductivity: 2.3-3.9 W/m2 °C
7) Tensile strength: >60N/mm2
8) Flexural strength: 100N/mm2
9) Modulus of elasticity: 2,400mPa
10) Tensile street at break: >65mPa
11) Elongation at break: >100%
12) Specific heat: 1.16J/kgk
13) Heat deflection temperature: 140°C
14) Soundproof index: 4mmthickness--27dB, 5mm--28dB, 6mm--29dB, 8mm--31dB, 10mm-32dB 12mm--34dB