What are the properties of polypropylene staple fiber?

Release date: [2023/6/19] Read total of [412] times

What are the properties of polypropylene staple fiber? Light weight, density of 0.9-0.92g/cm3, is very light in all synthetic fibers, 20% lighter than nylon, 30% lighter than polyester, 40% lighter than viscose fiber; High strength (dry and wet), good wear resistance and resilience; Antibacterial, no mold no moth; Chemical resistance is also better than the general synthetic fiber. In addition, compared with other synthetic fibers, polypropylene fibers have electrical insulation and heating properties, high electrical resistivity (7×1019 ohm·cm), and small thermal conductivity. However, the melting point of polypropylene staple fiber is low (165-173 ° C), and the photothermal stability is poor, so the heat resistance and aging resistance of polypropylene fiber are poor. Heat stabilizers and anti-aging agents are usually added to improve their properties. Its hygroscopic and dyeing properties are poor in synthetic fibers, the moisture regain is less than 0.03%, and ordinary dyes can not color it. Dye it.


Polypropylene, polyester, composite fiber, polylactic acid short fiber production and sales. Products are mainly used in non-woven fabrics, automotive interior, geotextiles, carpets, filtration and other industries.


Chinese name for synthetic isotactic polypropylene fiber made from propylene, a by-product of petroleum refining. Also known as polypropylene fiber. Data show that the future polypropylene fiber downstream industry will enter a new round of business cycle, which will bring the expansion of polypropylene fiber market demand.


Chinese name for synthetic isotactic polypropylene fiber made from propylene, a by-product of petroleum refining. Also known as polypropylene fiber. The raw material source is rich, the production process is simple, and the price of the product is relatively lower than other synthetic fibers. The physical and mechanical properties of the fiber are: high strength (short fiber 4 ~ 6g/den, filament 5 ~ 8g/den), wet and dry strength is basically the same, the specific gravity is small (0.91), wear resistance corrosion, etc. In 1980, the annual production of polypropylene fiber in the world exceeded 1 million tons.


Polypropylene staple fiber with polypropylene resin as the main raw material, through melt spinning, drawing, crimping, drying, shaping, cutting, packaging and other processes into the specified size and length of colorless fluffy fiber. Because the polypropylene staple fiber does not absorb moisture, the shrinkage rate is low, and the polypropylene fabric has the characteristics of easy washing and quick drying. Polypropylene has poor heat resistance and begins to shrink above 100 ° C. When washing and dry cleaning, the temperature should not be too high, otherwise it will cause shrinkage, deformation, and even melting. The ironing temperature is 90-100°C and requires a wet cloth or steam ironing. Polypropylene is resistant to chemicals, moths and mold.


Hubei Botao Synthetic Fiber Co., Ltd. was founded in October 2000, located in Jingmen City, Hubei Province, specializing in the production and sales of polypropylene, polyester, composite fiber, polylactic acid staple fiber, the products are mainly used in non-woven fabrics, automotive interior, geotextiles, carpets, filtration and other industries. The company has introduced a number of imported fiber production lines, with fixed assets of more than 300 million yuan, an annual output of 100,000 tons of polypropylene staple fiber, 20,000 tons of polyester staple fiber, 10,000 tons of composite fiber, and an annual output value of over 800 million yuan. Focusing on the field of synthetic fiber for more than 20 years, Botao synthetic fiber has obtained excellent market results and extensive honors with the mentality of excellence and integrity development.