LyondellBasell Lupolen 6031 M HDPE
Description
Lupolen 6031 M is a high-density polyethylene (HDPE) resin from LyondellBasell, engineered for a range of demanding applications, particularly in the realms of injection molding and blow molding. This material is characterized by its high rigidity, excellent environmental stress cracking resistance (ESCR), and good processability, making it a versatile choice for manufacturing durable goods. It is delivered in pellet form and is suitable for conversion through various molding techniques. Its robust nature makes it an ideal candidate for products requiring structural integrity and long-term performance.
Material Properties
The following table summarizes the typical physical and mechanical properties of Lupolen 6031 M. The data presented is based on established ISO and ASTM testing standards and is intended for reference purposes.
| Property | Test Method | Typical Value | Unit |
|---|---|---|---|
| Physical Properties | |||
| Melt Mass-Flow Rate (190°C/5 kg) | ISO 1133 | 8.0 | g/10 min |
| Density | ISO 1183 | 0.963 | g/cm³ |
| Mechanical Properties | |||
| Tensile Modulus | ISO 527-2 | 1500 | MPa |
| Tensile Stress at Yield | ISO 527-2 | 31 | MPa |
| Tensile Strain at Yield | ISO 527-2 | 7 | % |
| Charpy Notched Impact Strength | ISO 179/1eA | 6 | kJ/m² |
| Thermal Properties | |||
| Vicat Softening Temperature (B50) | ISO 306 | 131 | °C |
| Heat Deflection Temperature (0.45 MPa) | ISO 75-2 | 86 | °C |
Key Characteristics
High Rigidity
Exhibits a high tensile modulus, contributing to the stiffness and structural integrity of molded articles.
Excellent ESCR
Resists failure in the presence of various chemicals and environmental stressors, enhancing product lifespan.
Good Processability
Optimized for consistent and efficient processing on standard molding equipment.
Weldability
This grade of HDPE is readily weldable, allowing for the fabrication of complex assemblies.
Applications
The unique property profile of Lupolen 6031 M makes it suitable for a wide array of applications, including but not limited to:
- Industrial Packaging: Tote boxes, crates, and containers that require high stiffness and impact resistance.
- Consumer Goods: Protective headgear, pails, and household containers.
- Automotive: Various components, including child seats and technical parts.
- Closures and Fitments: Caps and closures for a variety of packaging.
- Technical Parts: Housings for connectors and other technical equipment.
Processing Information
Injection Molding
- Melt Temperature: 220 - 260 °C
- Mold Temperature: 30 - 70 °C
- Injection Speed: Medium to high recommended.
- Shrinkage: Typical values range from 1.5% to 3.0%.
Blow Molding
- Melt Temperature: 200 - 230 °C
Note: Optimal processing conditions can vary depending on the specific equipment, part design, and desired end-product characteristics. It is recommended to conduct trials to establish the ideal processing parameters for a given application.
Safety and Handling: For detailed information regarding the safe handling, storage, and disposal of Lupolen 6031 M, please refer to the official Safety Data Sheet (SDS) provided by LyondellBasell. It is crucial to process the material in well-ventilated areas and to avoid inhalation of fumes that may be generated at processing temperatures.
Disclaimer: The information provided in this document is based on typical values and should not be construed as a specification. Product properties may be subject to variation, and it is the responsibility of the user to determine the suitability of the material for their specific application.