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Overview ISO 6721-4:2019 specifies a forced, non‑resonance tensile vibration method for determining the components of the tensile complex modulus (E) of plastics. The standard covers measurement of d…
What is ISO 6721-4 about? ISO 6721-4 is the fourth part of the multi-series standard . BS ISO 6721-4 describes a forced, non-resonance method for determining the components of the tensile complex mod…
1 Scope This part of ISO 6721 describes a forced, non-resonance method for determining the components of the tensile complex modulus E * of polymers at frequencies typically in the range 0,01 Hz to 1…