Modulus
Posted on 31/12/2018 Category:
Derived from the Latin word meaning “small measure”, modulus is the ratio of stress to strain in the linear region of the s-e logistic curve. It is measured as the force per unit area required to extend a rubber to a stated percentage of its original length e.g. to 100%, 200% or 300%. It is often written as M100 = 3.0 MPa (i.e. modulus at 100% = 3.0 Mpa).