HBM 4265 is a high molecular weight, high-density polyethylene with broad molecular weight distribution, specifically developed for producing intermediate bulk containers (IBC) and large blow-molded parts such as jerry cans. This grade, produced under a Basell license, is notable for its very good creep strength, chemical resistance, environmental stress cracking resistance (ESCR), processability, and stiffness.
 
Key Features
Very Good ESCR: Provides excellent resistance to environmental stress cracking, making it suitable for containers that hold chemicals and other hazardous materials.
High Impact Resistance: Ensures durability and longevity under tough conditions.
Very Good Creep Strength: Maintains structural integrity under mechanical stress over time, ideal for heavy-duty containers.
Easy Processability: Can be easily processed in standard blow molding equipment, allowing for efficient production runs.
Good Chemical Resistance: Suitable for containers used to store and transport a variety of chemicals due to its resistance to corrosive substances.
 
Applications
Intermediate Bulk Containers (IBC): Perfect for creating large containers used for the storage and transportation of bulk liquids and granulates.
Large Agricultural Tanks: Utilized in the agricultural sector for large storage solutions.
Small to Large Jerry Cans: Ideal for producing jerry cans used in a variety of industries for liquid storage.
 
Additives
Antioxidant: Yes, to help prevent thermal oxidation during processing and usage.
Processing Aid: No, ensuring pure material characteristics are maintained.
Antiblock: No, to maintain surface quality and integrity.
Slip Agent: No, to ensure consistent material properties throughout.
 
Typical Properties
High Load Melt Flow Index (HLMI): 6.5 g/10 min at 190°C/21.6 kg (ISO 1133), indicating the material's flow characteristics under high load.
Density: 0.942 g/cm³ (ISO 1183), contributing to the material's stiffness and structural capabilities.
Bulk Density: Greater than 0.50 g/cm³ (ISO 60), facilitating easy handling and storage.
Tensile Strength at Yield: 24 MPa (ISO 527-1, -2), showing the material's strength at yielding point.
Elongation at Yield: 10% (ISO 527-1, -2), providing good flexibility.
Tensile Modulus of Elasticity: 800 MPa (ISO 527-1, -2), reflecting the stiffness of the material.
 
Thermal and Impact Properties
Melting Temperature: 130°C (ISO 3146), indicating the temperature at which the material becomes moldable.
Vicat Softening Temperature: 128°C (ISO 306), the temperature at which the material begins to soften.
Tensile Impact Strength (Notched, -30°C): 160 kJ/m² (ISO 8256), demonstrating high impact strength at low temperatures.
 
Conclusion
HBM 4265 HDPE is an excellent choice for manufacturers requiring robust, chemically resistant, and stress-crack resistant materials for high-end applications like large storage containers and industrial jerry cans. Its superior properties ensure that it meets the highest standards for performance in demanding environments.