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Noticias Ceis

Compressive stress at 10 % strain

15-06-2022 | Thermal insulation tests
It is one of the main mechanical properties of thermal insulation products. Compressive stress at 10 % strain is determined according to the standards EN 826 / ISO 29469. This parameter can be used to establish the stresses at which to perform compressive creep tests (long-term reduction in thickness due to the pressure exerted on […]
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Dynamic stiffness

07-06-2022 | Thermal insulation tests
Dynamic stiffness is related to the acoustic insulation properties also exhibited by thermal insulation products, in particular the materials used under floating floors in dwellings to reduce the impact noise. According to the applicable standard, UNE-EN 29052-1:1994 (ISO 9052-1:1989), the aim is to determine the frequency of the fundamental vertical vibration (resonance frequency) of a […]
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