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This value gives an indication of the fluidity of the molten polymer. The MFI is an important value for prediction of processing behaviour. For this reason, the MFI is one of the main properties used in selection of materials. The MFI could be seen as a measured viscosity at a single temperature and shear rate. The MFI of a material is often measured at a specified temperature and weight. However, due to the fact that the viscosity of polymers is shear-dependent, the MFI could also be measured at multiple weights (shear rates).
__Impact strength:__ This value gives an indication of the fluidity of the molten polymer. The MFI is an important value for prediction of processing behaviour. For this reason, the MFI is one of the main properties used in selection of materials. The MFI could be seen as a measured viscosity at a single temperature and shear rate. The MFI of a material is often measured at a specified temperature and weight. However, due to the fact that the viscosity of polymers is shear-dependent, the MFI could also be measured at multiple weights (shear rates).
This page (revision-285) was last changed on 14-Sep-2022 10:00 by LeonidTop