TYPICAL PROPERTIES UNITS ASTM TEST Tensile Strength psi D638 4,000 Flexural Modulus of Elasticity psi D790 200,000 Izod Impact (notched) ft-lbs/in of notch D256 - Heat Deflection Temperature (66psi / 264psi) °F D648 172 - Water Absorption (Immersion 24 hours) % D570 0.10 PHYSICAL PROPERTIES UNITS ASTM TEST Specific Gravity - D792 0.96 Water Absorption (Immersion 24 hours) % D570 0.10 MECHANICAL PROPERTIES UNITS ASTM TEST Tensile Strength psi D638 4,000 Tensile Modulus of Elasticity psi D638 - Tensile Elongation % D638 600 Flexural Strength psi D790 - Flexural Modulus of Elasticity psi D790 200,000 Compressive Strength psi D695 - Hardness scale as noted D785, D2240 Shore D 69 Izod Impact ft-lbs/in D256 - THERMAL PROPERTIES UNITS ASTM TEST Coefficient of Linear Thermal Expansion in/in/°F x 10-5 D696 9.0 Heat Deflection Temperature (66psi / 264psi) °F D648 172 - Max Continuous Service Temperature In Air °F - 170 ELECTRICAL PROPERTIES UNITS ASTM TEST Dielectric Strength V/mil D149 - OPTICAL PROPERTIES UNITS ASTM TEST Light Transmittance % D1003 - Haze % D1003 - OTHER UNITS ASTM TEST Coefficient of Friction - Dynamic - Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand. Still Not Sure if You Need HDPE? Research HDPE or Ask a Plastics Expert.