UnDeuxVision各类纤维的辨别(国外英文资料).docVIP

UnDeuxVision各种纤维的鉴别(国外英文资料) Hangzhou pana white clothing co., LTD UnDeuxVision UnDeuxVisions various fibers Hand feeling method: this method is suitable for textile material that is in the form of loose fiber. (1) cotton fibers are shorter and thinner than hemp fibers and other hemp fibers, often with various impurities and defects. (2) hemp fiber feels thick and hard. (3) the wool fibers are curly and elastic. (4) silk is filament, long and slender, with special gloss. In the chemical fiber, only the dry, wet state of viscose fibers is very different. (6) and spandex is very elastic, and at room temperature it can stretch more than five times. Microscope observation method: it is to identify the fibers according to the longitudinal and cross-sectional characteristics of the fibers. (1) cotton fiber: cross sectional form: waist circle, middle waist; Longitudinal form: flat strip, natural rotation. (2) the fibers of hemp, flax, flax, and flax: the shape of the cross section: the lumbar circle or the polygon, have the middle cavity; Longitudinal form: there are transverse sections, vertical lines. (3) wool fibers: cross-sectional form: round or approximately round, with some hairy pulp; Longitudinal form: there are scales on the surface. (4) and rabbit hair fiber: cross-sectional form: dumbbell type, hairy pulp; Longitudinal form: there are scales on the surface. (5) silkworm silk fibers: cross-sectional form: irregular triangle; Longitudinal form: smooth and straight, vertical with stripes. (6) ordinary viscose: cross-sectional form: serrated, core-core structure; Longitudinal form: vertical grooves. (7) strong and strong fiber: cross-sectional form: less teeth, or round, oval; Longitudinal form: smooth surface. (8) and acetate: cross-sectional form: three-leaf or irregular zigzag. Longitudinal form: the surface has vertical stripes. (9) and acrylic fibers: cross-sectional form: round, dumbbell, or leaf; Longitudinal form: smooth or streaked surface. (10) and chlori