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In wool, fineness is the major criterion. [17] Wool classification and grading are focused on measuring the wool's diameter in microns; Merino wool is typically 90–115 mm (3.5–4.5 in) in length and is very fine (between 12 and 24 microns). [18]
The S numbers originated in England, [4] where the worsted spinning process was invented and arose from the worsted yarn count system for stating the fineness of yarn. The worsted count (also known as the Bradford count) was the number of 560-yard (510 m) lengths (hanks) of worsted yarn that 1 pound (0.45 kg) of wool yields. [5]
Merino and crossbred wool samples showing the different quality numbers. A wool staple is a cluster or lock of wool fibres and not a single fibre.. For other textiles, the staple, having evolved from its usage with wool, is a measure of the quality of the fibre with regard to its length or fineness.
Pattern shifting: Pattern shifting involves increasing the overall dimensions of a pattern by moving it around at a constant distance. After the pattern is moved, the outline is redrawn in order to produce the same results as cut-and-spread. Computer grading: Computer grading is the most recent development in grading technology.
Wrap the yarn around a large needle or a ruler. Make sure the yarn lies flat. Push the yarn together so there are no gaps between wraps. Smooth it out so it is neither too loose nor too tight. Measure the number of wraps per inch (2.5 cm). For better accuracy, measure the wraps at the center of your yarn sample.
Textile fibers, threads, yarns and fabrics are measured in a multiplicity of units.. A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or human-made cellulosic fibre like viscose, Modal, Lyocell or other rayon fiber is measured in terms of linear mass density, the weight of a given length of ...
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The thread used for stitching may be wool, silk, cotton or combinations, such as wool-silk blend. Variety fibers may also be used, such as metallic cord, metallic braid, ribbon , or raffia . Stitches may be plain, covering just one thread intersection with a single orientation, or fancy, such as in bargello or other counted-thread stitches.