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Polypropylene has good chemical resistance, in addition to concentrated nitric acid, concentrated caustic soda, polypropylene high-strength filament acid and alkali resistance is good, so suitable for use as filter materials and packaging materials. His light resistance is poor, thermal stability is also poor, easy to age, not resistant to ironing.
Polypropylene high strength wire with its environmental protection, non-toxic, wear-resistant, light weight, high strength, acid and alkali resistance, low thermal conductivity, small thermal shrinkage, static electricity savings and almost no moisture absorption and other advantages, in woven geotextile, filter cloth, cord cloth, safety belt, conveyor belt, luggage belt, hose, rope, safety net and other industrial industrial silk is widely used, is a partial replacement of nylon. Polyester novel environmental protection chemical fiber material.
Twisting is a process of winding raw silk into a wire, a wire is composed of 24 wires, 24 wires to wrap each other to make the line more solid and delicate, the tighter the wire is wound, the higher the twist, the woven cloth is relatively tight, good hang, good fastness. If there is no twisting, there is no line, there is no entanglement between the silk and the silk, the cloth is relaxed, the sag is poor, and the fastness is poor.
Twist cannot be used to compare the twist degree of different thicknesses of yarns, because thicker strips of yarn have a greater inclination than thinner strips of yarn with the same twist. In actual production, the twist coefficient is often used to indicate the twist degree of the yarn.
Twist coefficient is the relative value of yarn twist degree combined with thread density, which can be used to compare the twist degree of different thicknesses of yarns. The twist factor can be calculated according to the twist of the yarn and the linear density of the yarn.
After twisting, the length of yarn is shortened due to fiber inclination, resulting in twisting shrinkage. The size of the twist shrinkage is usually expressed by the twist shrinkage, that is, the difference between the length of the yarn before and after twisting as a percentage of the length before twisting.
The size of twist shrinkage directly affects the yarn density and twist, which must be taken into account in the spinning and twisting process design. The twist shrinkage rate of cotton yarn is generally 2% to 3%. The size of twist shrinkage is related not only to twist coefficient, but also to spinning tension, workshop temperature and humidity, yarn thickness and other factors.
Application: Twisted polypropylene high strength wire is mainly used for all kinds of filter cloth, industrial mat cloth, geotextile, lifting belt, cable, communication cable and so on. It has the advantages of anti-aging, acid and alkali resistance, light weight, wear resistance, low thermal conductivity, seawater corrosion resistance, non-moisture absorption, good stability and so on.
Xuzhou Peace 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://szxyjj.com/