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[Chemical Knowledge]：Properties and Uses of LLDPE

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LLDPE (linear low density polyethylene) is an important raw material for chemical production, which has excellent properties and a wide range of applications. This article will detail the properties and uses of LLDPE.

1. The properties of LLDPE

1. Physical properties
LLDPE is a colorless, odorless, non-toxic plastic material with good impact resistance, wear resistance, chemical resistance and electrical insulation. Its density is usually between 0.915-0.940g/cm³, with high tensile strength and tear strength.

2. Chemical properties
LLDPE has good acid and alkali resistance and oil resistance, and is insoluble in most organic solvents. It will undergo thermal oxidative decomposition at high temperatures, but it will not produce toxic gases when burned in the air.

2. the use of LLDPE

1. Film production
LLDPE can be used to produce various films, such as agricultural films, packaging films, food packaging films, etc. Due to its excellent impact resistance and abrasion resistance, LLDPE film has good durability and strength.

2. injection molding products
LLDPE can be used to produce a variety of injection molding products, such as toys, stationery, daily necessities, etc. Due to its good fluidity and processability, LLDPE injection molded products have the advantages of smooth surface and dimensional stability.

3. Pipeline production
LLDPE can be used to produce various pipelines, such as water pipelines, gas pipelines, etc. Due to its excellent chemical resistance and electrical insulation, LLDPE pipes have good service life and safety performance.

4. Wire and cable sheath
LLDPE can be used to produce wire and cable sheath. Due to its good electrical insulation and abrasion resistance, LLDPE wire and cable sheath has better protection performance and service life.

In short, LLDPE, as an important raw material for chemical production, has been widely used in various fields. Understanding the properties and uses of LLDPE is of great significance to the rational use of resources, the improvement of product quality and the promotion of economic development.

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