Product Description:
Introduction to HDPE
HDPE (High Density Polyethylene) is a widely used thermoplastic. It is produced by copolymerizing ethylene with a small amount of alpha olefin monomer. HDPE is also known as low-pressure polyethylene as it is synthesized under lower pressure. Its molecular structure is mainly linear, with few branches, high crystallinity, and high density.
Basic Information
HDPE, with its linear molecular structure and high crystallinity, is a non-toxic, odorless, and tasteless white particle. It has a melting point of about 130 ℃ and a relative density ranging from 0.941 to 0.960. The material exhibits good heat and cold resistance, maintaining its performance within the temperature range of -40 ℃ to 100 ℃.
Chemical Properties
HDPE showcases excellent chemical stability and remains insoluble in any organic solvents at room temperature. It is resistant to acids, alkalis, and various salt corrosion. However, HDPE can be dissolved in hydrocarbon solvents above 60 ℃.
Mechanical Properties
HDPE possesses high rigidity and toughness, along with good mechanical strength. It offers outstanding stress cracking resistance, excellent wear resistance, and a service life in water environments that is four times longer than steel pipes.
Features:
Physical Properties:
HDPE is a non-toxic, odorless, and tasteless white particle with a melting point of about 130 ℃ and a relative density of 0.941-0.960. It has good heat and cold resistance and can maintain good performance in the temperature range of -40 ℃ to 100 ℃.
Chemical Properties:
HDPE has good chemical stability and is insoluble in any organic solvents at room temperature. It is resistant to acid, alkali, and various salt corrosion, but it is easy to dissolve in hydrocarbon solvents above 60 ℃.
Mechanical Properties:
HDPE has high rigidity and toughness, good mechanical strength, outstanding stress cracking resistance, excellent wear resistance, and a service life four times longer than steel pipes in water environments.
Technical Parameters:
| Applications |
Packaging, Pipes, Wire And Cable Coatings, Etc. |
| Electrical Insulation |
Excellent |
| Impact Strength |
No Break |
| Thermal Conductivity |
0.42 W/m·K |
| Chemical Resistance |
Excellent |
| Density |
0.94-0.97 G/cm3 |
| Melting Point |
126-135°C |
| Elongation at Break |
500-1000% |
| Flammability |
Self-Extinguishing |
| Recyclability |
100% |
Applications:
In the realm of packaging, polyethylene is a versatile material that finds applications in the production of plastic bottles, films, and more. Its flexibility and durability make it an ideal choice for packaging solutions across various industries.
When it comes to pipe materials, polyethylene plays a crucial role in the manufacturing of gas pipes, drinking water pipes, and other piping systems. Its resistance to corrosion and ability to withstand different pressure levels make it a popular choice for piping applications.
Furthermore, polyethylene is extensively used in the production of daily necessities, industrial products, and various other items through injection molding processes. Its ease of molding and recyclability make it a preferred material for creating a wide range of consumer and industrial goods.
Additionally, polyethylene is employed in the creation of wrapping materials and synthetic paper used in wire and cable applications. Its strength, moisture resistance, and insulating properties make it suitable for protecting and insulating electrical components.
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