Tex
Tex is a yarn count system that measures yarn linear density in grams per kilometre. Used as a metric standard across natural and synthetic yarns. Higher Tex means heavier (thicker) yarn.
One Tex equals 1 gram per 1,000 metres. Tex is the most internationally standardised count system, though Indian weaving units more commonly use English count (Ne) for cotton and denier for synthetics in everyday vocabulary.
The conversion from Tex to English count is approximately Tex × Ne = 590; from Tex to denier is Tex × 9 = denier. Beam planning and weft consumption calculations adjust the formula based on which count system the yarn is specified in.
RELATED TERMS
Denier
Denier is a yarn count system used for synthetic yarns — polyester, nylon, viscose. It measures the linear mass of yarn: the higher the denier number, the heavier (thicker) the yarn.
Ends Per Inch
Ends per inch (EPI) is the count of warp yarns in one inch of fabric width. Together with picks-per-inch (PPI), EPI defines fabric density.
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