Key1forcemaximum forceforce at rupturepretensionelongation at max. forceelongation at ruptureelongation,二qo 41从J 67Figure 1一Example of force一elongation curve3.9elongation at ruptureelongation of a test specimen corresponding to the force at ruptureNote 1 to entry: See3.10force at ruptureforce recorded at the point of rupture of a test specimen during a tensile testNote 1 to entry: See3.11maximum forcemaximum force recorded when a test specimen is taken to rupture during a tensile test under the specified conditionsNote 1 to entry:See Fi4 PrincipleA fabric test specimen of specified dimensions is extended at a constant rate until it ruptures. The maximum force and the elongation at maximum force and, if required, the force at rupture and theelongation at rupture are recorded.