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[Chemical Knowledge]：What is the material of HDPE?

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Today this article for everyone to explain

hdpe is what material, applied to what areas and features what.

First of all, let's take a look at the full name of HDPE. The full name of HDPE is high density polyethylene (High Density Polyethylene), which is a polymer with a high crystal structure. It is a polymer material made from ethylene raw materials through high temperature and high pressure polymerization.

HDPE has excellent chemical stability and physical properties, so it is widely used in pipe, bottle cap, food packaging bag, plastic film and other fields. Below, we will analyze the HDPE material characteristics.

1. High density: HDPE has a high density, generally between 0.941-0.965g/cm³. This high-density material makes HDPE have excellent strength and hardness, and can work in more severe environmental conditions. At the same time, due to its high density, HDPE has good impact resistance.
2. Corrosion resistance: HDPE has good chemical stability, strong resistance to acid and alkali corrosion, and can work for a long time in harsh working environment. Therefore, it is widely used in chemical, textile, food, pharmaceutical and other industries.
3. High temperature resistance: HDPE has a high melting point, which starts to soften above 130 ℃, and the final melting point can reach about 140 ℃. This high temperature stability allows HDPE to be used in working conditions at higher temperatures.
4. Wear resistance: HDPE has good wear resistance, can easily withstand the damage of external conditions such as scratches and wear, and maintain a long service life. This characteristic makes HDPE widely used in metal, mining, textile and other fields.
5. processability: HDPE is easy to process into various forms, such as plates, pipes, profiles, etc., and has good plasticity and thermoplasticity. Therefore, HDPE has been widely used in various industrial fields.

In conclusion, HDPE is an excellent material. It has the characteristics of high density, corrosion resistance, high temperature resistance, wear resistance and processability, and has its unique advantages compared with other materials. In the future, with the continuous progress of science and technology, we believe that HDPE will have a wider range of applications.

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