Multifilament yarns are made by twisting two or more filaments together, resulting in a yarn with high tensile strength. The retentivity is affected by the degree of twisting, which can range from 2 to 15 complete turns in as little as 2.5 cm. As a result, as the degree of twist increases, so does the ability to trap fines Technical Textiles Market. Lower-twist yarns trap fines better, as fine particles become trapped between the filaments in the yarn as well as between the strands of yarn in the weave. The term “bunding” refers to a situation in which individual strands of yarn have become so swollen by the solids trapped among their filaments that the interyarn spaces are nearly closed.
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