SS-EN-ISO-62 › Plastics - Determination of water absorption (ISO 62:2008)
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1.1 This International Standard describes a procedure for determining the moisture absorption properties in the through-the-thickness direction of flat or curved-form solid plastics. This International Standard also describes procedures for determining the amount of water absorbed by plastic specimens of defined dimensions, when immersed in water or when subjected to humid air under controlled conditions. The through-the-thickness moisture diffusion coefficient can be determined for single-phase material by assuming Fickian diffusion behaviour with constant moisture absorption properties through the thickness of the test specimen. This model is valid for homogeneous materials and for reinforced polymer-matrix composites tested below their glass transition temperature. However, some two-phase matrices such as hardened epoxies may require a multi-phase absorption model which is not covered by this International Standard.
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SS-EN ISO 62:2008
Feb. 25, 2008
EN ISO 62:2008(IDT); ISO 62:2008(IDT)