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The mechanical properties of a polymer determine the range of usefulness and the service that can be expected from the material. Mechanical properties testing provides information on strength, impact resistance, hardness and fracture toughness.


Testing for mechanical properties is performed under various conditions. These are:











Izod Impact Strength

kJ/m2 ISO 180 

Charpy Impact Strength

kJ/m2 ISO 179 

Tensile Test

MPa ISO 527 

Flexural Test

Mpa ISO 178 


Shore D

ISO 868


Shore D hardness measures how deeply an indentor penetrates into the material, using an indentor loaded via a spring, it measures under specified conditions of force and time. The harder the material to be tested, the higher the indentor loading.