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__Impact Strength:__ It denotes the energy needed for the fracture of a material. The greater the value, the more resistant the material is to breaking upon impact. It can be measured via Charpy or Izod methods. Samples could be measured notched or unnotched. Notched values are lower than unnotched values due to the limitation of energy dissipation throughout the sample. Furthermore, the impact strength can be measured at different temperatures to predict impact behavior in different environments.
__Impact strength:__ It denotes the energy needed for the fracture of a material. The greater the value, the more resistant the material is to breaking upon impact. It can be measured via Charpy or Izod methods. Samples could be measured notched or unnotched. Notched values are lower than unnotched values due to the limitation of energy dissipation throughout the sample. Furthermore, the impact strength can be measured at different temperatures to predict impact behavior in different environments.
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__E-Modulus (Tensile Modulus):__ It denotes the stiffness of a material in the tensile direction. For blown films this value is measured in the machine direction and transverse direction.
__E-modulus / tensile modulus):__ It denotes the stiffness of a material in the tensile direction. For blown films this value is measured in the machine direction and transverse direction.
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__Flexural Modulus:__ It denotes the stiffness of a material in the flexural direction.
__Flexural modulus:__ It denotes the stiffness of a material in the flexural direction.
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__Strain at Yield:__ It denotes the strain (percentage of elongation) of the material at its maximum elastic point. Deformation lower than this value is elastic, meaning the material can return to its original shape. Deformation greater than this value is plastic, meaning the material is permanently deformed. For blown films this value is measured in the machine direction and transverse direction.
__Strain at yield:__ It denotes the strain (percentage of elongation) of the material at its maximum elastic point. Deformation lower than this value is elastic, meaning the material can return to its original shape. Deformation greater than this value is plastic, meaning the material is permanently deformed. For blown films this value is measured in the machine direction and transverse direction.
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__Stress at Yield:__ It is the applied stress at yield strain. This value is the maximum stress that can be applied to a material before plastically deforming. For blown films this value is measured in the machine direction and transverse direction.
__Stress at yield:__ It is the applied stress at yield strain. This value is the maximum stress that can be applied to a material before plastically deforming. For blown films this value is measured in the machine direction and transverse direction.
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__Strain at Break:__ It denotes the strain (percentage of elongation) of the material at its breaking point. The strain at break gives information about the ductility of a material. For blown films this value is measured in the machine direction and transverse direction.
__Strain at break:__ It denotes the strain (percentage of elongation) of the material at its breaking point. The strain at break gives information about the ductility of a material. For blown films this value is measured in the machine direction and transverse direction.
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__Vicat Softening Temperature:__ It denotes the temperature at which the material softens.
__Vicat softening temperature:__ It denotes the temperature at which the material softens.
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__Heat Deflection Temperature:__ It is a measure of a polymer's resistance to alteration under a given load at an elevated temperature.
__Heat deflection temperature:__ It is a measure of a polymer's resistance to alteration under a given load at an elevated temperature.
This page (revision-285) was last changed on 14-Sep-2022 10:00 by LeonidTop