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| ExxonMobil HDA-303 |
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| Polyethylene |
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| High Density Polyethylene |
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HDA-303 is a medium molecular weight polyethylene with very high melt strength designed specifically for sheet extrusion and thermoforming.
It offers good processability in sheet production while giving very low sag and excellent deep draw characteristics when thermoformed. |
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High Load Melt Index, MI21 (g/10 min): 20.0
Density (g/cm): 0.954
Tensile Strength at Yield (psi): 3850
Ultimate Tensile Strength (psi): 3500
Ultimate Elongation (%): 750
1% Secant Tensile Modulus (psi): 130,000
1% Secant Flexural Modulus (psi): 161,000
Izod Impact (ft-lbs/in) 3.1
Tensile Impact (ft-lbs/in): 90
Environmental Stress Crack Resistance (F,hrs): 70
Low Temperature Brittleness ('C): < -90
Vicat Softening Temperature ('C): 129
Heat Deflection Temperature, 66 psi ('C): 50 |
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