[Chemical Knowledge]：Properties and Uses of PP

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Polypropylene (PP) is a plastic material widely used in the field of chemical production, with excellent properties and a wide range of uses. This article will detail the properties and uses of polypropylene.

1. the properties of polypropylene

1. Physical properties
polypropylene is a colorless, odorless, non-toxic plastic material with high density and hardness. It has good wear resistance, impact resistance and chemical resistance, and can be used in a wide temperature range.

2. Chemical properties
polypropylene has good stability and good corrosion resistance to most acids, alkalis, salts and other chemical reagents. However, under high temperature and oxidative conditions, polypropylene is susceptible to aging degradation.

2. polypropylene uses

1. Food packaging
polypropylene has excellent properties such as odorless, non-toxic, acid and alkali resistance, so it is widely used in the field of food packaging. Such as food packaging bags, containers, bottle caps, etc.

2. Medical device
Polypropylene has good biocompatibility and corrosion resistance, so it is often used in the production of medical devices, such as infusion sets, syringes, catheters, etc.

3. Automotive industry
Polypropylene has light weight and good processing performance, so it is often used in the automotive industry, such as car bumpers, seats, dashboards, etc.

4. Building materials
Polypropylene has good weather resistance, aging resistance and processing performance, so it is often used in the field of building materials, such as building templates, waterproof materials, etc.

5.
of home appliances, polypropylene has good insulation, chemical resistance and processing performance, so it is often used in the field of home appliances, such as washing machine liner, refrigerator door seal, etc.

In short, polypropylene, as an excellent plastic material, has a wide range of applications in the field of chemical production raw materials.

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