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hemp fiber properties

1. Morphological characteristics --- There are several continuous distribution stripes with irregular and different depths in the longitudinal direction. fabric with good breathability and moisture-wicking properties.

2. Tensile properties---dry state breaking strength is similar to viscose fiber, wet state breaking strength is 1.4 times that of viscose fiber, dry and wet state breaking elongation is smaller than viscose fiber; The initial size of the state is larger than that of viscose fiber, which is 1.1~1.2 times that of viscose fiber, indicating that under the condition of small deformation, hemp fiber can withstand external force and resist deformation better than viscose fiber, and the shape stability of its products is stable. Better than viscose fiber products.

3. Moisture regain rate---The moisture regain rate is close to viscose fiber, indicating that hemp fiber has good hygroscopic performance and small electrostatic effect, which is beneficial to textile processing and its products have good wear performance.

4. Friction performance---static and dynamic friction coefficients are greater than viscose fibers, indicating that its cohesion is better than viscose fibers, and its smoothness is worse than viscose fibers.

5. Crimping performance---The crimp rate, crimp elastic modulus and residual crimp rate are all lower than viscose fiber, indicating that its crimp fastness and curl recovery ability are worse than viscose fiber.

6. Infrared absorption spectrum---Infrared absorption spectrum is basically similar to viscose fiber, and has the typical characteristic band of cellulose fiber.