Textile Dictionary-G(Letter)

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Textile Dictionary is start by Letter-G
GABARDINE: A firm, durable, warp-faced cloth, showing a decided twill line, usually a 45° or 63° right-hand twill.

GAITING: The spacing of the needles in the dial and cylinder in relation to each other on rib (double-knit) and interlock knitting machines. In rib gaiting, the dial needles are midway between the cylinder needles. For interlock gaiting the dial and cylinder needles are in direct alignment.

GALATEA: A sturdy, serviceable, warp-effect, five-shaft, left-hand twill-weave fabric,
frequently cotton or a cotton blend, used for children’s play clothes.

GAMMA CELLULOSE: One of the three forms of cellulose. With beta cellulose it is called hemicellulose.

GARNETTING: A process for reducing various textile waste materials to fiber by passing them through a machine called a garnett, that is similar to a card.

GAS FADING: A change of shade of dyed fabric caused by chemical reaction between certain disperse dyes and acid gases from fuel combustion, particularly oxides of nitrogen.

GAUGE: 1. A generic term for various measurement instruments such as pressure or thickness gauges. 2. The number of needles per given distance in a knitting machine. 3. The thickness of the knitting needle in the shank and the hook. 4. The number of wales per inch in a knit fabric. 5.On spinning or twisting frames, the distance from the center of one spindle to the center of the next spindle in the same row.

GAUGE WIRE: Used with an extra filling yarn during weaving, this type of standing wire
controls the height of fabric pile.

GAUZE: A thin, sheer-woven fabric in which each filling yarn in encircled by two warp yarns twisted around each other, gauze is similar to cheesecloth. It may by made of silk, cotton, wool, or manufactured fibers.Cotton gauze is primarily for surgical dressings.

GEL: 1. A colloid in which the dispersed particles have combined with the continuous phase to produce a viscous, jelly-like product. 2. Degraded polymer occurring in process lines. Usually seen as specks in polymer or yarn.

GEOGRID: Manufactured polymer constructions characterized by large openings made by one of the following methods: (1) coating woven or knit products to form a grid; (2) welding oriented strands to form a grid; (3) punching holes in flat sheets then drawing them to align the polymer molecules. Used for soil stabilization, drainage, and erosion control applications.

GINGHAM: A woven fabric characterized by a block or check effect produced by weaving in dyed yarns at fixed intervals in both the warp and the filling.

GLAZING: 1. A finishing process that produces a smooth, highly polished, or lustrous surface on a fabric such as chintz. The fabric is treated with starch, glue, paraffin, or shellac, then friction calendered. Synthetic resins are used for a more permanent finish. 2. A shiny fabric appearance produced unintentionally, e.g., by pressing at excessive temperature.

GLOBAL RADIATION: The wavelength distribution of sunlight under a given environment (e.g., under windowpane glass).

GODET ROLL: Roll used for transporting and controlling the movement of bundles of fibers and yarns in the processing of these materials.

GOUT: Foreign matter that is accidentally woven into a fabric. It is usually fly or waste that drops into the loom during weaving or that catches in yarns during spinning.

GRAB STRENGTH TEST: A method for measuring the breaking strength of a fabric sample by mounting the sample in the tensile tester so that only a part of the width of the specimen is gripped in the clamps.

GRAFT COPOLYMER: A copolymer having branches of varying length made up of different monomer units on a common “backbone” chain.

GRAPHITE FIBER: Although the terms carbon and graphite are used interchangeably to
describe these fibers, graphite fibers are more accurately defined as fibers that are 99+% carbonized while the term carbon is used for any fiber carbonized to 93 to 95% or more.

GREEN TACK: A term used in fabric bonding for the preliminary bond created in the first stage of curing by the wet adhesive process. At this point, the bond is not fully cured and hence is “green.”

GREIGE FABRIC: An unfinished fabric just off the loom or knitting machine.

GRENADINE: 1. A fine, loosely woven fabric in leno weave made with dyed filling yarns and having a clipped dobby design. 2. A silk cord constructed by twisting together several twisted strands.

GREX: 1. A unit of linear density equal to the weight in grams of 10 kilometers of yarn,
filament, fiber, or other textile strand. 2. The system of yarn numbering based on the use of grex units.

GRINNING: 1. A flaw in fabric, especially a ribbed fabric, that occurs when warp threads show through the covering filling threads or when the threads have slipped leaving open spaces on either side. 2. A condition that occurs when the carpet backing shows through the pile. 3. A printing term referring to either poor cover where the background shade shows through the print,or to the “two-tone” appearance of a shade printed with incompatible dyes.

GRIPPER LOOMS: Shuttleless looms. These looms employ a projectile with a jaw that grips the end of the filling yarn during the insertion of the pick.

GROSGRAIN: A heavy fabric with prominent ribs, grosgrain has a dressy appearance and is used in ribbons, vestments, and ceremonial cloths.

GROUND COLOR: A term describing the plain background color against which a design is created.

GUIDE BAR: A mechanism on a warp-knitting machine that directs warp threads to the latch needles.

GUIDES: Fittings of various shapes for controlling the path of a threadline.

GUILLOTINE: Cutting device that consists of a single blade that descends between guides for chopping fibers, plastic strands, etc.

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