Cotton fabric performance, quality requirements and uses

Cotton fabric performance, quality requirements and uses

(1) Performance of cotton fabrics Cotton fiber is a single-cell cellulose fiber. One cell is a fiber. The main component of cotton fiber is cellulose. In addition, there are fat, sugar, ash and some water-soluble substances. Cotton fabric has all the characteristics of cotton fiber.

　1. Strength The strength of cotton fabrics mainly depends on the length and twist number of cotton fibers. The longer the fiber length, the greater the twist number, and the greater the strength. The woven finished product will have better fastness and wear resistance. The strength of cotton lining is better than man-made fiber lining, but worse than other fibers.

　2. Elasticity Cotton fiber has poor elasticity, so cotton fabrics wrinkle easily.

　3. Hygroscopicity: Cotton fiber is a porous material with a large hydrophilic structure in its molecules, so it has good hygroscopicity and good air permeability. The lining made of it is soft and comfortable.

　4. Warmth retention: Cotton fiber is a poor conductor of water. The inner cavity of cotton fiber is filled with stagnant air. Therefore, cotton fabric has good warmth retention and excellent wearing performance.

5. Dyeability: Cotton fabrics have good dyeing properties, bright colors, and complete color spectrum, and can be matched with various fabrics.

6. Other properties: Cotton cloth has poor alkali resistance and acid resistance, but good heat resistance and light resistance.

(2) Technical requirements for cotton fabrics

　1． Width
Width within 100cm: allowable deviation -1.0cm～+2.0cm
Width 100～140cm: allowable deviation -1.5cm～+2.5cm
Width above 140cm: allowable deviation -2.0cm ~+3.0cm

2. Density
Fabrics without major finishing: Allowable deviation – 1.5%
Fabrics with major finishing, pre-shrunk and fleece fabrics: Allowable deviation – 2.5%
(Note: The warp density is not assessed, but After the total number of roots is specified, it cannot be changed arbitrarily)

3. Dyeing fastness
Soaping fastness
Vat dyes: grade 3 fading as-is; grade 4 staining on white cloth
Other dyes: grade 3 fading as-is; grade 3 staining on white cloth
Sulfide blue: as-is fading level 3; White cloth staining level 2~3
Rubbing fastness
Vat dyes: dry rubbing level 3~4; wet rubbing level 3
Other dyes: dry rubbing level 3; wet Rubbing level 2
Sulfide blue: dry rubbing level 3; wet rubbing level 2

4. Shrinkage
Large finishing and preshrunk fabrics: warp direction is not less than –5%; weft direction is not less than –5%
Standard large finishing fabrics: warp direction is not less than –6% ; Latitudinal not less than –5%

Common lining materials and uses

　〈1〉Cotton fabric lining

(1) Mainly commercial fabrics, coarse cloth, and plain cloth. The fabric is strong and wear-resistant. It is warm and comfortable and is an affordable lining for cotton-padded clothes.

(2) Cotton/dimensional blended fabrics can be used as low-end suit linings.

Silk fabric linings and uses: Pure silk silk linings are strong, stain-resistant, soft and comfortable, with a shrinkage rate of about 5%. They are ideal linings for silk and velvet clothing.

Pure fiber fabric lining and chemical fiber interwoven lining

(1) Pure fiber fabric, strong and wear-resistant, smooth and crisp, mainly used as down jacket lining and jacket lining.

(2) The rayon-interwoven satin lining is smooth, soft, comfortable, strong, and wear-resistant. It is an ideal lining for suits, fur coats, woolen coats, and down jackets.

(3) Rayon lining has a smooth satin surface, soft and smooth feel, soft color, and is not close-fitting. It is mainly used as velvet clothing lining.

(4) Cotton weft damask is made of intertwined rayon and cotton yarn. The silk surface is lustrous, hard to the touch, and relatively smooth. It is suitable for lining casual wear.

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