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Polypropylene industrial silk refers to all polypropylene filament except clothing. Its production technology and use are obviously different from clothing fiber. Industrial polypropylene filament or high strength polypropylene fiber can be obtained by selecting high polymer and high specification polypropylene raw material, improving the tensile degree and crystallinity of macromolecule chain, and rationally controlling the spinning, stretching and heat treatment process. Linear density, modulus, strength requirements are high, elongation at break and elongation requirements are generally low.
Characteristics of polypropylene industrial silk:
1. Shape: the longitudinal surface of polypropylene is straight and smooth, and the cross section is round.
2. Density: the greatest advantage of PP is its light texture, its density is only 0.91g/cm3 is the lightest variety of common chemical fibers, so the same weight of PP can get higher coverage area than other fibers.
3. Strength and elongation: polypropylene has high strength, large elongation, high initial modulus and excellent elasticity. So polypropylene wear resistance. In addition, the wet strength of polypropylene is basically equal to the dry strength, so it is an ideal material for making fishing nets and cables.
4. Hygroscopicity and dyeing of pp hygroscopicity is very small, almost no hygroscopicity, moisture regain under general atmospheric conditions is close to zero. But it has a core suction, which can transfer water vapor through capillaries in the fabric, but does not absorb any of its own. Pp dyeing is poor, chromatography is not complete, but you can use the method of liquid coloring to make up for the deficiency.
5. Acid and alkali resistance pp has good chemical corrosion resistance, in addition to concentrated nitric acid, concentrated caustic soda, pp acid and alkali resistance performance is good, so suitable for use as filtration materials and packaging materials.
6. Light resistance and other polypropylene fiber light resistance is poor, thermal stability is poor, easy to aging, ironing. But the anti - aging properties can be improved by adding anti - aging agent during spinning.
Xuzhou Heping Chemical Fiber Co., Ltd. is located in Xuzhou, Jiangsu. It has focused on the research and development and production of polypropylene, high strength, high strength, high strength, high strength, anti-aging, acid and alkali resistant, etc., which also make polypropylene high strength. Wire can be applied to all aspects of our lives. Peaceful chemical polypropylene, manufacturers supply, complete products, high quality after-sales service, users can rest assured to buy. Peace chemical fiber also has a polypropylene industrial silk, polypropylene high strength wire, high-strength polypropylene wire, polypropylene high strength, high-strength propylene, and hydrazine industrial wire.
You still want to know more product information, please contact: Mr. Wang 187 5178 8889 Website: http://www.cdot.net.cn/