Type: High-Density Polyethylene (HDPE)
Grade: 52505 UV
 
Features and Characteristics
Characteristics: HDPE 52505 UV is a copolymer manufactured through the gas phase process, specifically tailored for injection molding applications. It maintains good physical properties even at low temperatures.
Quality: This grade is designed to offer durability and robust performance, making it suitable for technical moldings that require high impact resistance and toughness.
 
General Information
Status: Commercial, Active
Applications: Primarily used for creating pails, containers, and technical moldings which require enhanced durability and stability under low-temperature conditions.
Manufacturing Process: Produced via the Spherilene Process, ensuring a consistent and high-quality product.
Form: Available in pellet form.
 
Additives
Included Additives:
Thermal Antioxidant: Integrated to improve the thermal stability of the polymer during processing.
UV Stabilizer: Added to the UV variant to enhance resistance to ultraviolet light degradation, extending the material's service life in outdoor applications.
 
Material Properties
Melt Flow Index (MFI) at 190°C: 5 g/10 min (ASTM D1238), indicating the flow rate of the polymer, suitable for injection molding processes.
Density: 0.952 g/cm³ (ASTM D1505), providing structural strength and stability.
Vicat Softening Point: 124°C (ASTM D1525), the temperature at which the polymer starts to soften under load.
Flexural Modulus: 1200 MPa (ASTM D790), reflecting the material's stiffness.
Tensile Strength at Yield: 27 MPa (ASTM D638), showcasing the material's ability to withstand stress before deforming.
Tensile Strength at Break: 18 MPa (ASTM D638), indicating the maximum stress the material can handle before breaking.
Heat Deflection Temperature (H.D.T): 82°C (ASTM D648), showcasing its ability to withstand higher temperatures without deforming.
Notched Izod Impact Strength: 55 J/m at 23°C (ASTM D256/A), demonstrating good toughness.
 
Additional Information
Processing Conditions: Recommended barrel temperatures range between 190°C and 280°C.
Health and Safety: Handling molten polymers requires caution; safety glasses and appropriate gloves are recommended to prevent thermal injuries. Adequate ventilation is also crucial.
Storage: Should be stored under cool, dry, and dark conditions to maintain its properties. It is recommended to process the resin within 6 months after delivery to avoid quality deterioration such as color change or bad smell.
Packaging: Supplied in 25kg bags. Alternative packaging options are available for selected grades.
 
Conclusion
HDPE 52505 UV is a versatile and durable material ideal for injection molding applications that demand high performance at low temperatures. With added UV stabilization, it is particularly suited for outdoor applications where long-term stability and resistance to weathering are critical. This grade ensures reliability and efficiency in manufacturing processes, making it a preferred choice for manufacturers requiring robust, weather-resistant HDPE.