DTY: Fake textured yarn called DTY (D raw Tex-tu red Yarn), also known as elastic yarn. DTY network filament: Network filament refers to the filament in the network nozzle, which is acted by the jet air flow, and the monofilaments are entangled with each other to form a periodic network dot filament. Network processing is mostly used for the processing of POY, FDY, and DTY. The low-elasticity network wire made by combining network technology with DTY technology has both the bulkiness and good elasticity of textured yarns, as well as many periodical and network points, and improves filaments. The tightness eliminates several steps in textile processing and improves the ability of the tow to pass through the water jet loom.
POY and FDY: The spinning speed of the high-speed spinning is 3000~6000m/m in, the winding speed of the spinning speed below 4000m/m in has a higher degree of orientation. It is a pre-oriented yarn, and is called POY(p re-or). Ien ty ya rn). If the drawing action is introduced during the spinning process, a wound yarn having a high degree of orientation and a moderate degree of crystallinity can be obtained, which is a fully-drawn yarn, commonly known as FDY (fu lly d raw ya rn).
DT: Stretched twisted wire is called DT (D raw Tw is t). POY is used as a precursor to draw DT by drawing and twisting machine, stretching mainly and giving a small amount of twist. 100D/36F, 150D/36F, 50D/18F, etc. These are the representations of fiber specifications. The data above the slanted line represents the fineness of the fiber, and D is the unit of denier of the fiber, ie, in the standard state, expressed as the basis weight of the 9000 meters long fiber, ie, 100 gm is 100 denier (100D); The data below indicates the number of holes used for spinning the spinneret, and also indicates the number of filaments the filament has, for example 36F, which means that the spinneret used during spinning has 36 holes, ie the fiber has 36 Monofilament.
Large light, semi-extinction, and full extinction: In order to eliminate the luster of the fiber, titanium dioxide (TiO2) is added to the melt to reduce the luster of the fiber. If no titanium oxide (i.e., bright filament) is added to the melt, 0.3% is added to the semi-abrasive filaments, and greater than 0.3% is a full-extinction filament.
50D/18F iron: 18 holes for 50 denier, iron tube package. 75D/36F paper: 75 denier 36 holes, paper tube package. 150D/36F cations: 150 denier and 36 holes, cations improve dyeing performance.
210D/72F fat thin wire: a bamboo filament of 210 denier and 72 holes. "Fat-slim silk" is a non-standard textile vocabulary, which is generally understood as "bamboo silk", that is, a periodic section of coarse silk.
POY: pre-oriented silk, full name: PRE-ORIENTED YARN or PARTIALLY ORIENTED YARN. It refers to an incompletely drawn chemical fiber filament having a degree of orientation obtained by high-speed spinning between an unoriented filament and a drawn filament. Compared with unstretched wire, it has a certain degree of orientation, good stability, and is often used as a special wire for draw-twist textured yarn (DTY). (usually not used for weaving)
DTY: stretch textured yarn, full name: DRAW TEXTURED YARN. It is made by using POY as raw yarn, and it is made by stretching and false twisting. There is often some flexibility and contraction. (Generally divided into network and no network, network means network node)
FDY: Full stretch body. Full name: FULL DRAW YARN. Synthetic filaments further produced by spin-drawing. The fiber has been fully stretched and can be used directly in textile processing. (usually called filament)
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