Flexural Modulus of Elasticity, psi 0.7 – 1.0 x 106 1.8 – 3.2 x 106 (Hoop) Tensile Modulus of Elasticity, psi 0.8 – 1.1 x 106 2.0 – 3.5 x 106 (Hoop) 0.9 – 1.4 x 106 (Axial) Poisson’s Ratio 0.33 Varies with wind angle Impact Strength, ft-lb Izod 30 – 40 40 – 50 Thermal nductivity Btu – in./hr – ft2-°F 1.3 – 1.8 1.3 – 1