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Physical properties of polypropylene fiber

View: 26109/21/2023  

Physical properties:

1. Form: The longitudinal surface of polypropylene fiber is straight and smooth, with a circular cross-section.

2. Density: The biggest advantage of polypropylene fiber is its lightweight texture, with a density of only 0.91g/cm3. It is the lightest variety of common chemical fibers, so polypropylene fiber with the same weight can achieve a higher coverage area than other fibers.

3. Strength and elongation: Polypropylene fiber has high strength, elongation, high initial modulus, and excellent elasticity. So polypropylene has good wear resistance. In addition, the wet strength of polypropylene fiber is basically equal to the dry strength, so it is an ideal material for making fishing nets and cables.

4. Acid and alkali resistance: Polypropylene fiber has good chemical corrosion resistance. In addition to concentrated nitric acid and concentrated caustic soda, polypropylene fiber has good resistance to acid and alkali, making it suitable for use as filter and packaging materials.

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