Material Properties
One of the major characteristics of HDPE 5110 is its Melt Flow Index, which ranges from 9 to 11 at a temperature of 190°C and under a load of 21.6 kg. The MFI is a critical property in the plastics industry as it determines the flowability of the molten polymer during processing. The relatively high MFI of HDPE 5110 implies that this grade of HDPE is more fluid at elevated temperatures and thus suitable for processes such as injection molding and extrusion.
The density of HDPE 5110 is approximately 0.955 g/cm³, which places it within the high-density category of polyethylene. This high density contributes to its impressive strength and rigidity, making it a preferred choice for products that require structural integrity, such as pipes, containers, and packaging materials
Mechanical Properties
From a mechanical point of view, the tensile strength at break is at 55 MPa. The tensile strength is that maximum amount of tensile stress that a material can experience before breaking. Thus, HDPE 5110 is relatively strong, being able to withstand applications which require high load-bearing capabilities with a tensile strength of 55 MPa.
HDPE 5110 also has elongation at break of 550%; this means that it can expand up to 5.5 times its original length, and it will not be broken or cracked. With this elongation capacity, the material can resist the deformation without cracking or breaking, which is very appropriate for products that are more prone to mechanical stress as in the case of pipe under pressure or heavy duty containers.
Filler content and transparency
HDPE 5110 also includes 3% transparent filler content. Fillers are added to polymers to improve some specific properties or to reduce the costs of the polymer. In this case, the addition of transparent filler in HDPE enhances its optical clarity with no compromise on mechanical strength and durability. So, HDPE 5110 is appropriate for such products that require a specific degree of transparency, which includes packaging films or containers.
Thermal Properties
The melting point of HDPE is 132°C, which is typical for high-density polyethylene grades. This melting point allows HDPE 5110 to be used in applications that require heat resistance, such as piping systems for hot liquids or components exposed to high temperatures during manufacturing processes.
Applications
HDPE 5110 is used in a wide range of applications because of its high strength, durability, and ease of processing. Some of the most common uses of HDPE 5110 include
Injection Molding: HDPE 5110 has a high MFI and is therefore suitable for injection molding. This is where the polymer is heated and injected into molds to form complex shapes. This is suitable for the production of large containers, caps, and industrial parts that require precision and strength.
Extrusion: HDPE 5110 is also used in the extrusion process, where it is melted and formed into continuous shapes such as pipes, sheets, and films. The material's high density and strength make it particularly well-suited for manufacturing pipes for water, gas, and sewage systems.
Blow Molding HDPE 5110 is also extensively used in blow molding due to its good flow properties and tensile strength for hollow articles like bottles, tanks, and drums. This polymer is mechanically stressed for its durability and long lifetime
Film and Packaging: The transparent filler content makes HDPE suitable for the production of thin, clear films used in packaging. These films can protect contents from moisture and contaminants while maintaining visibility, making them useful for food and pharmaceutical packaging
Advantages: HDPE offers several key advantages over other polymer materials
High Strength: The tensile strength of 55 MPa makes it suitable for high-stress applications
Durability: The high elongation at break ensures that the material can withstand deformation without breaking
Ease of Processing: The high MFI allows for efficient molding and extrusion processes
Heat Resistance: The melting point of 132°C ensures that HDPE can be used in applications that require exposure to high temperatures.
Altogether, HDPE 5110 is a high-performance-grade high-density polyethylene whose combinations of excellent mechanical properties with thermal stability and ease in processing make it an exceptional choice for a wide-ranging industrial and commercial application into injection molding, extrusions, and blow molding; its ability to resist both heat and deformation under tension further makes it a flexible material for demanding environments
