Hot air ageing (ISO 188)

Hot-air ageing gives an indication of the maximum operating temperatures or resistance to elevated temperatures of rubber compounds based on changes in hardness, tensile strength, elongation at break, stiffness and possibly mass and volume after hot-air ageing during a specified period at a specified temperature. Ageing tests over specific periods at various elevated temperatures also make it possible to determine expected service life.

 

The test is carried out according to ISO standard 188 unless otherwise desired.

 

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