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[Chemical Knowledge]：Properties and Uses of Polyester Filament

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Polyester filament is a synthetic fiber with good physical and chemical properties, so it has a wide range of applications in the field of chemical production raw materials. This article will detail the nature and use of polyester filament.

1. the properties of polyester filament

1. physical properties
polyester filament has high strength, high elasticity, wear resistance, corrosion resistance, heat resistance and other excellent physical properties. Its strength is several times higher than cotton, and its elasticity is also very good, and it can stretch about 50%. The abrasion resistance of polyester filament is also very strong, about 10 times higher than that of cotton. In addition, polyester filaments also have good corrosion resistance and can be used for a long time in chemical media such as strong acids and alkalis without damage.

2. chemical properties
polyester filament has good chemical stability and can resist the erosion of most organic solvents, acids, alkalis and other chemical substances. Polyester filament also has good UV resistance and can be used outdoors for a long time without fading.

2. the use of polyester filament

polyester filament has a wide range of applications in the field of chemical production raw materials, mainly used in the manufacture of various textiles, industrial cloth, packaging materials, insulation materials, etc. The following are the main uses of polyester filament:

1. Textile
Polyester filament can be used to make various textiles, such as clothes, bed sheets, towels, curtains, etc. Due to the excellent physical and chemical properties of polyester filaments, the manufactured textiles have good durability, wrinkle resistance and easy washing and quick drying.

2. Industrial cloth
Polyester filament can also be used to manufacture various industrial cloth, such as filter cloth, conveyor belt, tent, etc. Because polyester filament has good wear resistance, corrosion resistance and heat resistance, the industrial cloth manufactured has good service life and durability.

3. Packaging material
Polyester filament can be used to make various packaging materials, such as woven bags, container bags, etc. Because polyester filament has good strength and abrasion resistance, the packaging material manufactured has good load-bearing capacity and durability.

4. Insulation material
polyester filament can also be used to manufacture various insulation materials, such as wire insulation, cable sheath, etc. Because the polyester filament has good electrical insulation and heat resistance, the insulation material manufactured has good insulation and heat resistance.

In short, as a synthetic fiber, polyester filament has a wide range of applications in the field of chemical production raw materials. Because of its excellent physical and chemical properties, polyester filament has been widely used in textiles, industrial cloth, packaging materials and insulation materials.

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