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difference between spun yarn and filament yarn
Ring spun yarn is when the yarn is both twisted and wound at the same time. Open ended spun yarn is when the yarn is twisted by rotating at the hap or break in the flow.
Yarn is made of strands of wool twisted together - or spun, as they call it. That's all it means.However, to spin a yarn means to tell a story.
A yarn. Hence- "spun".
Any fibre, regardless of the source -- natural or man-made, can be spun. Synthetic yarn contains no natural fibres.
Yarn is spun and then sold for craft use.
There are three commercial methods of spinning yarn into the product we see at the store. They are called Ring Spun, Rotor Spun, and Friction Spun. Each method produces different results in the yarn. Increasing the elongation percent in Ring Spun yarn requires a fiber preparation method of carding (brushing). This will produce a softer, longer yarn whis is best used for knitted items.
Individual fibers are spun into yarn.
Wrap spinning works on the principle of wrapping. The feed stock, generally drawn silver drafted in a five- roller drafting system. The drafted strand runs through a hallow spindle without receiving true twist. A continuous filament yarn, unwound from a bobbin on the hollow spindle is wrapped helically over the drafted strand of fibres forms wrap spun yarn. The wrap spun yarn therefore consists of a twistless core(parallel fibres) wrapped helically by a continuous filament. These yarns are also known as cover-spun yarns and the method of spinning is also known as hollow-spindle spinning.
yarn
The term ring spun means that the yarn was spun with a ring device. The handle has a soft touch to it. It results in the yarn being soft and very durable and strong.
The main difference between polyester staple fiber yarn and polyester filament yarn is that polyester staple fiber yarn is made up of chemicals. Polyester filament yarn contains both man-made and natural fibers.