review of the dry weight of some selected fibers. polypropylene: g / cm nylon: g / cm polyester: g / cm cotton: g / cm wool: g / cm the reason why polypropylene is lighter than the other substances is due to the fibers. the fibers have the lowest density of all the commercial fibers. the low density...
of the bag. this comes with excusite bead work and art work. cotton fibre length (hvi) > mm, . mm, . mm, . mm. other specifications > micronaire range to ncl strength + gpt company: jiashan prattison textile printing & dyeing limited china wool yarn ) wool yarn. ) specification: s/ . ) ingredient: %...