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How to identify the linens.
- 2017-09-07 10:30:22


How to identify the linens.



Firstly, density of warp & weft.


1. In a single inch, the total number of cotton yarn.

2. Writing format in the process: warp * weft. For example: 110*90.

3. The typical identification is the gray cloth’s density of warp & weft, and the process of bleaching changes the density of warp or weft. The warp is reduced by 2-4% due to elongation and the weft is increased by 5% due to indentation. The total number of density of warp & weft is unchanged, or slightly increased.

4. Writing format in finished product: T200, T250, T300.

5. The national standard of density of warp & weft is checked by the gram per square meter.



Secondly, fabric strength.


1. Fabric strength is divided into tearing strength and single tensile strength.

2. The tearing strength is the resistance that the damaged part expands when there is a small area breakage.

3. Single tensile strength refers to the fabric can withstand the tension in the unit square meters.

4. The strength depends on the quality of the cotton yarn (yarn strength) and bleaching process.



Thirdly, the gram per square meter.


1. It can objectively reflect the amount of yarn (i.e. cost) of the fabric.

2. Avoid spun yarn instead of widest yarn.

3. The measurement is to weigh the fabric with a disk of 100Ccloth.

4. The test results were measured against the standard value. Under the room temperature, for the fabrics of 40 s and T250, the standard value is 135 g/c.




Fourthly, shrinkage.


1. Cotton shrinkage is generally: warp to 5%, weft to 5%.

2. T/C shrinkage is generally: warp to 2.5%, weft to 2.5%.

3. The pre-shrinkage fabric can reduce the rate of shrinkage, which is expected to shrink by 3.5% after pre-contracting across warp and weft of the cotton.




Fifthly, fabric skew.


1. Calculation of skew: latitude of skew / fabric width.

2. Skew mainly affects smoothness of products.

3. At present, there is no dyeing factory in China that can do 100% lines without skew.




Sixthly, Hairiness of fabric.

1. Hairiness is a fabric phenomenon caused by too much staple fiber.

2. According to the fiber length, it is divided into: long-staple cotton (825px), Egyptian cotton, Xinjiang cotton, American cotton.

3. Resulting in high hair removal and pilling.


Seventhly, color fastness.


Color fastness is divided into: washing fastness, color fastness (refers to colored products).

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