acoustical barrier for highway protection
gth: 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.