Plastics. Determination of dynamic mechanical properties - Longitudinal and shear vibration. Wave-propagation method not-for-sale This European Standard specifies a

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Plastics. Determination of dynamic mechanical properties - Longitudinal and shear vibration. Wave-propagation method not-for-sale This European Standard specifies aWhat is ISO 6721 8 Longitudinal and shear vibration of plastic about? ISO 6721 8 is the eighth part of the ISO 6721 multi series on dynamic mechanical properties of plastic. ISO 6721 8 describes an ultrasonic wave propagation method for determining the storage components of the longitudinal complex modulus L* and the shear complex modulus G* of polymers at discrete frequencies typically in the range 0,5 MHz to 5 MHz the method is suitable for