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The quality of fabric
1. Width: Generally refers to the effective width, that is, the width of the inside of the pinhole, or the effective width after glueing.
2, latitude and longitude density: There are strict requirements must pay attention to measuring the latitude and longitude density.
3, weft bend: general grid cloth weft deflection requirements shall not be greater than 3%, plain cloth weft bending shall not be greater than 5%.
4. Shrinkage: The shrinkage of warp and weft after finished washing.
5, splash degree: ISO in degrees as a unit of measure (50 degrees difference ~ 100 degrees is good), or to AATCC level to measure (1 level difference ~ 5 is good), AATCC's 3 is equivalent to 80 degrees of ISO.
6. Color fastness: This is a very important indicator, it contains wash fastness (fading fastness, stain fastness), water fastness (fading, stain), light fastness (fading) ), Rubbing fastness (fading, stained), perspiration fastness (fading, staining), sublimation fastness, dye transfer, etc., are graded (grade 1 to grade 5 is good).
7, strength: tensile strength, tear strength, burst strength (kg/cm2).
8, water pressure: cloth resistance to water pressure strength (degree of waterproof), such as 2000mm/H2O (mm water column), the higher the value that the better the waterproof performance.
9, moisture permeability: the unit is g/M2*Day, which means the quality of water passing through 1 square meter of fabric under a certain temperature and humidity for 24 hours.
10, splash degree: a test index used for Teflon processing fabrics, divided into 5 levels, (1 level difference ~ 5 good).
11. There are also tests on properties such as flame retardancy, antistatic, anti-ultraviolet and so on. All these require professional institutions to have a way to test. We will not talk about it here.
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