highway metal sound barrier

highway metal sound barrier Specifications:

Thickness: 6 to 16mm 

Maximum width: 2,100mm 

Length: any dimension 

Specific gravity: 1200kg/cbm 

Colors: clear, blue, green, opal, brown,bronze,etc.

highway metal sound barrier 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

highway metal sound barrier Feature

1. Non-Flammability: GB8624 grade A

2. Waterproof :Resistant to deformation in wet environments

3. Sound proof:

4. Strength: Bendable and impact resistant

5. Weight: 35kg/m2

6. Temperature Maintenance

7. Environmental Friendly;

8. Installation: Easy to cut, saw, nail, paint and veneer

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