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The rates of degradation of two types of polypropylene (PP) fibres caused by sunlight and xenon tube light were assessed. Changes in the tensile strength and elongation at break of the fibres as well as changes in the fibre surface topography due to their irradiation with the same doses of UV radiation of both types of light were compared. The tensile strength of PP fibres exposed to xenon tube light...
Fabric utility parameters most often depend on its mechanical properties. The most important strength parameters include unidirectional tensile strength, tear strength and elasticity properties. In this work we describe in detail the problem of tear strength, appropriate measurement methods and the correlation relationships between the results obtained by different tear methods. The measurements of...
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