Thermoplastic Ployurethane Elastomers (TPU) BASF
can be seen in the tensile stress-strain diagram (Fig. 14): Strength characteristics: The yield stress σγ is the tensile stress at which the slope of the stress-strain curve becomes zero. Tensile strength σ max is the tensile stress at maximum force. Tear strength σ B is the tensile stress at the moment of rupture of the specimen.
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