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Polyester fabric: A very large number of chemical fiber fabrics used in daily life. Its biggest advantage is that it has good wrinkle resistance and shape retention, so it is suitable for coat clothing. Polyester fabric has high strength and elastic recovery. Therefore, it is durable, wrinkle-free and non-iron.
Polypropylene fabric: It is the lightest of all the fibers used in clothing. It is a fiber that floats on the water surface (specific gravity is about 0.91g/cm3), but its strength is very good, so it is widely used in clothing. It has strong and durable appearance, crisp appearance and good dimensional stability. Use it as a military raincoat, mosquito net, etc.
Polyester elasticity: The elasticity is close to wool, and when it is extended by 5% to 6%, it can be almost completely recovered. The wrinkle resistance is superior to other fibers, that is, the fabric is not wrinkled, and the dimensional stability is good. The modulus of elasticity is 22 to 141 cN/dtex, which is 2 to 3 times higher than that of nylon.
Propylene strength: Polypropylene has high strength, large elongation, high initial modulus and excellent elasticity. Therefore, polypropylene has good wear resistance. In addition, the wet strength of polypropylene is basically equal to dry strength, so it is an ideal material for making fishing nets and cables.
Which is better for polypropylene and polyester waterproof?
Polyester: good water absorption and good wear resistance. Wear resistance is second only to nylon with the best abrasion resistance. It is better than other natural and synthetic fibers. Hygroscopic and dyeable polypropylene have little hygroscopicity and are almost non-hygroscopic. The moisture regain under atmospheric conditions is close to that. zero.
Which is expensive for polyester and polypropylene? Which is better for polypropylene and polyester waterproof?