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Shenzhen Northtest Testing Technology Co., Ltd. Northtest group Third party certification body

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Tel:0755-36995505 Q Q: Email:ntek@ntek.org.cn Blocks B, C and E of Fenda Science and Technology Creative Park, Xixiang, Baoan District, Shenzhen

Fiber testing

Basic introduction

Fiber refers to a substance composed of continuous or unconnected filaments. In plants and animals, fibers play an important role in maintaining arrangements. Fibers are widely used, and can be woven into fine threads, thread ends and hemp ropes. They can also be woven into fiber layers when making paper or weaving felts. They are also commonly used to make other materials and form composite materials with other materials. Fiber testing includes component analysis, formula analysis, quality testing, and textile testing of fiber products.
Investigate the laws and regulations and intentions of ecological textiles, and propose corresponding testing plans for different textile products. For example, textile products with coatings and printing should focus on the content of harmful substances such as lead and phthalates. . Beitest assists companies in interpreting ecological textile regulations, doing fiber testing, reducing export risks for enterprises, and building brand credibility in the world.

Scope of test

Natural fiber
Natural fibers exist in nature, and they can be obtained directly. According to their origin, they are divided into three types: plant fibers, animal fibers, and mineral fibers.
(A) plant fiber
Plant fibers include: seed fibers, bast fibers, leaf fibers, and fruit fibers.
Seed fiber: refers to single-cell fiber grown from the epidermal cells of some plant seeds. Such as cotton, kapok.
Bast fiber: It is a single fiber or craft fiber obtained from some plant phloem. Such as: flax, ramie, jute, bamboo fiber.
Leaf fiber: It is a craft fiber obtained from the leaves or leaf sheaths of some plants. Such as: sisal, abaca.
Fruit fiber: It is fiber obtained from the fruit of some plants. Such as: coconut fiber.
(Two) animal fiber
Animal fibers (natural protein fibers) include: hair fibers and gland fibers.
Hair fibers: Animal hair follicles have fibers with a multicellular structure composed of keratin. Such as: sheep hair, cashmere, camel hair, rabbit hair, mohair.
Silk fibers: Fibers excreted by the silk glands of some insects, in particular, by the substances excreted by Lepidoptera larvae, and also fibers excreted by some molluscs. Such as: silk.
(Three) mineral fiber
Mineral fiber is the fiber obtained from mineral rock with fibrous structure. The main constituents are various oxides, such as silica, alumina, magnesia, etc. The main origin is various asbestos, such as chrysotile, bluestone Wait.
Chemical fiber
Chemical fibers are fibers made by chemical treatment. Can be divided into artificial fibers (regenerated fibers), constituent fibers and inorganic fibers.
(A) rayon (recycled fiber)
Man-made fibers are textile fibers made from materials containing natural fibers or protein fibers, such as wood, sugar cane, reeds, soybean protein fibers, and other fiber materials that lose the value of textile processing. The man-made fibers mainly used for textiles are: viscose fiber, acetate fiber, copper ammonia fiber.
(Two) the constituent fibers
The chemical composition of the constituent fibers is completely different from that of natural fibers. It is made from substances that do not contain cellulose or protein, such as petroleum, coal, natural gas, limestone, or agricultural and sideline products. Fibres. Such as polyester fiber (polyester), polyamide fiber (nylon or nylon), polyvinyl alcohol fiber (vinylon), polyacrylonitrile fiber (acrylic fiber), polypropylene fiber (polypropylene fiber), polyvinyl chloride fiber (chloroprene fiber) and so on.
(Three) inorganic fibers
Inorganic fibers are made of natural inorganic materials or carbon-containing polymer fibers, which are drawn by hand or directly carbonized. Contains glass fiber, metal fiber and carbon fiber.

Test items

Component analysis: chemical fiber component identification, chemical fiber chemical composition, quantitative chemical analysis, qualitative chemical analysis, etc .;
Physical and chemical indicators detection: fiber birefringence, melting point, solubility, purity, oil content, density gradient, etc.
Flame retardant performance: combustion performance, combustion grade, flame retardant performance, etc .;
Electrical properties: anti-static, conductive properties, etc.

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