High-density polyethylene (HDPE) is a type of plastic known for its high strength, durability, and resistance to impact and moisture. HDPE is commonly used in the production of various plastic bags, including shopping bags, trash bags, and packaging bags.
HDPE is composed of repeating ethylene monomer units, which are chemically linked together to form a linear polymer chain. The high density in HDPE refers to the tightly packed arrangement of its polymer chains, resulting in a dense and crystalline structure.
HDPE is characterized by its high tensile strength, impact resistance, and stiffness. It is a rigid material with a relatively high melting point, typically around 120 to 180 degrees Celsius (248 to 356 degrees Fahrenheit). HDPE is also resistant to moisture, chemicals, and UV radiation, making it suitable for outdoor applications.
HDPE is a versatile material with a wide range of applications. It can be processed using various techniques, such as injection molding, blow molding, extrusion, and rotational molding. This versatility allows for the production of HDPE products in different forms, including bottles, pipes, sheets, films, and containers.