PE Polyethylene Machined Parts
4 week ago
Product details
PE Machined Parts
Introduction of pe parts
Polyethylene (PE) is one of the most widely used thermoplastic polymers in the world, and PE machining plastic parts have become essential components in a multitude of industries. Polyethylene is a family of polymers with different molecular structures, among which high - density polyethylene (HDPE) and low - density polyethylene (LDPE) are the most common types used for machining plastic parts.
From a molecular perspective, polyethylene consists of long - chain hydrocarbon molecules with a simple chemical formula of (C₂H₄)ₙ. The carbon atoms are connected by single covalent bonds, and each carbon atom is also bonded to two hydrogen atoms. The linear or branched arrangement of these chains determines the properties of different types of polyethylene.
In the context of plastic part machining, PE offers a unique set of characteristics. It has a relatively low melting point compared to other engineering plastics, typically ranging from 110°C to 130°C for LDPE and 120°C to 140°C for HDPE. This relatively low melting point makes it easier to process using various machining techniques such as milling, turning, and drilling. Moreover, PE is a semi-crystalline polymer in the case of HDPE, which means it has a combination of ordered (crystalline) and disordered (amorphous) regions. This semi-crystalline structure gives it good mechanical properties, including strength, toughness, and wear resistance.
The versatility of PE machining plastic parts lies in their ability to be customized to meet specific application requirements. They can be produced in a wide range of shapes, sizes, and surface finishes. Whether it's a simple geometric shape for a mechanical component or a complex contour for a consumer product, PE can be precisely machined to achieve the desired specifications. In addition, PE is available in different grades, each with its own set of properties, allowing manufacturers to select the most suitable material based on factors such as mechanical strength, chemical resistance, and environmental conditions.
Advantage
Mechanical Properties
One of the significant advantages of PE machining parts is their excellent mechanical properties. HDPE, in particular, is known for its high tensile strength. It can withstand significant pulling forces without breaking, with a tensile strength of up to 20 - 45 MPa depending on the specific formulation and machining conditions.
PE also exhibits good toughness, which is the ability to absorb energy and deform plastically before fracture. This toughness enables PE machining plastic parts to withstand impacts and shocks, reducing the risk of damage in dynamic applications.
Another important mechanical property of PE is its resistance to wear. The surface of PE machining plastic parts is relatively hard and can resist abrasion, making them suitable for applications where there is relative motion between parts, such as in gears, bearings, and conveyor systems. This wear resistance extends the service life of the parts, reducing maintenance and replacement costs.
Chemical Resistance
PE is highly resistant to a wide range of chemicals. It is inert to most acids, bases, and organic solvents, which makes PE machining plastic parts suitable for use in chemical processing plants, laboratories, and other environments where they may come into contact with corrosive substances.For instance, in the oil and gas industry, PE plastic parts can be used in pipelines and storage tanks that handle corrosive hydrocarbons without being degraded by the chemicals.
Application
- Automotive Industry
- Food and Beverage Industry
- Construction Industry
- Medical Industry
- Electrical and Electronics Industry
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Foshan Anheda New Material Co., Ltd
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2 month
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PE Sheet,
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