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How To Identify Various Non-woven Materials
Jun 23, 2018

How to identify various non-woven materials

Hand-feeling method: This method is applicable to non-woven fabrics in the form of loose fibers.

(1) Cotton fibers are shorter and finer than those of ramie fibers and other hemp fibers, often accompanied by various impurities and flaws.

(2) Hemp fiber feels rougher.

(3) Wool fibers are curled and elastic.

(4) Silk is a filament, long and slender, with a special luster.

(5) In chemical fibers, only viscose fibers have large differences in dry and wet strength.

(6) Spandex filament has a very large elasticity, and its length can be stretched to more than five times at room temperature.

2. Microscopic observation method: It is based on the longitudinal and cross-sectional morphological characteristics of fibers to identify non-woven fibers.

(1), cotton fiber: cross-sectional morphology: waist round, with a middle waist; vertical surface morphology: flat ribbon, a natural turn.

(2), hemp (ramie, flax, jute) fiber: cross-sectional morphology: waist round or polygonal, with cavity; vertical surface morphology: a horizontal section, vertical stripes.

(3) Wool fibers: cross-sectional morphology: round or nearly circular, some with a long hairline; longitudinal surface morphology: scales on the surface.

(4), rabbit hair fiber: cross-sectional morphology: dumbbell-shaped, with a long hair; vertical surface morphology: scales on the surface.

(5), mulberry silk fiber: cross-sectional morphology: irregular triangle; vertical surface morphology: smooth and straight, longitudinal stripes.

(6) Ordinary viscose: cross-section morphology: zigzag, skin core structure; vertical surface morphology: longitudinal grooves.

(7) Rich and strong fiber: cross-sectional morphology: less tooth shape, or round, oval; vertical surface morphology: smooth surface.

(8) Acetate fiber: cross-sectional morphology: trilobal or irregular zigzag; longitudinal morphology: longitudinal stripes on the surface.

(9), Acrylic fiber: cross-sectional shape: round, dumbbell-shaped or leaf-shaped; vertical surface morphology: the surface is smooth or striped.

(10) Polychlorin fiber: cross-sectional morphology: nearly circular; longitudinal morphology: smooth surface.

(11), spandex fiber: cross-sectional morphology: irregular shape, a round, potato-shaped; vertical surface morphology: the surface is dark and dark, showing unclear bone-shaped stripes.

(12) Polyester, Polyamide, Polypropylene Fibers: Cross-sectional morphology: Round or profiled; Vertical morphology: Smooth.

(13), PVA fiber: cross-sectional morphology: waist round, skin core structure; vertical surface morphology: 1 to 2 grooves.

Hangzhou Goldenlily Nonwoven Cloth Co., Ltd

TEL:+86-571-23226087

Mob:+8613750812589

E-mail: caroline@hzgoldenlily.com

Address: Zhejiang Hangzhou Fuyang Guohetan, Xindeng Town