Terms found on Data Sheets
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Mechanical Properties
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Modulus of Elasticity
(Young's Modulus) or, more commonly, Secant Modulus.
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Flexural Modulus, Tensile
and Compressive Flexural Strengths.
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Ultimate Tensile Strength.
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Ultimate Tensile Strength at
Yield.
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Yield Stress, Yield Strain.
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Nominal Strain at Break.
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Charpy Impact, Notched Impact
Strength.
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Puncture Force, Energy.
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Lubricity (Coefficient of
Friction).
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Coefficient of Thermal Expansion.
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Fatigue Properties.
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Creep Properties:: These are often
difficult to find.
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Density (specific gravity).
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Hygroscopic Degree (Water, Humidity
Absorption).
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Mold Shrinkage (mm/mm or in/in).
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Fatigue strength (especially for
living hinge design).
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Typical safety factors for tensile,
flexural, and shear strength.
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Thermal Properties
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Deflection Temperature :: Vicat.
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Chemical Interaction.
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Flammability Properties.
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Melting Temperature.
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Glass Transition Temperature.
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Electrical Properties
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Dielectric Constant.
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Relative Permittivity.
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Surface Resistivity.
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Volume Resistivity.
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Rheological Properties
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Melt Volume Flow Rate.
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Mold Shrinkage.
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