The present work investigates the effect of natural weathering on polypropylene (PP) composites containing short glass fibers and talc. The samples of PP composites obtained by injection moulding were submitted to nine months of natural ageing (from March to November 2012). It observed effects of climatic conditions on some physical properties such as hardness, longitudinal and transverse shrinkage as well as plastic and elastic deformations.
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Krzyżak et al. (2014) studied this question.
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