HDPE HBM 5020

Description

HDPE HBM 5020 is a high-density polyethylene grade specifically engineered for small blow-molded bottles and containers. This material is characterized by a broad molecular weight distribution, offering high stiffness, easy flow, excellent environmental stress cracking resistance (ESCR), chemical resistance, and sufficient impact strength.

Key Features:

• High Stiffness: Ensures structural integrity and durability of molded products, maintaining shape under pressure or load.
• Easy Flow: Facilitates smooth processing in blow molding operations, allowing for the production of intricate bottle shapes and designs.
• Excellent ESCR: Enhances the product’s durability against stress cracking when exposed to harsh chemicals and environments.
• Chemical Resistance: Offers resilience against various chemicals, making it ideal for packaging consumer and industrial goods.

Applications:

• Multipurpose Blow Molding: Suited for producing small bottles used in various sectors, including consumer goods and hazardous materials.
• Packaging: Ideal for containers that need to withstand harsh chemicals and stress, such as cleaning supplies and industrial chemicals.

Additives:

• Antioxidant: Yes, to inhibit oxidation and maintain the polymer’s integrity during processing and lifespan.
• Processing Aid: No, ensuring the material properties are optimized for blow molding without modifications.
• Antiblock: No, to maintain the clarity and quality of the blow-molded products.
• Slip Agent: No, ensuring that the properties of the final product meet the specific requirements for stiffness and ESCR.

Typical Properties:

• High Load Melt Flow Index (HLMI): 22 g/10 min at 190°C under a 21.6 kg load, indicating high material flow under high load conditions suitable for blow molding.
• Melt Flow Index (MFI): 0.3 g/10 min at 190°C under a 2.16 kg load, reflecting the material’s flow characteristics under standard conditions.
• Density: 0.950 g/cm³, contributing to the high stiffness and impact strength of the material.
• Bulk Density: Greater than 0.50 g/cm³, important for handling and storage considerations.

Mechanical Properties:

• Tensile Modulus of Elasticity: 1000 MPa, indicating the material’s ability to resist deformation under stress.
• Tensile Stress at Yield: 25 MPa, the stress at which the material begins to deform permanently.
• Tensile Strain at Yield: 9%, demonstrating the ductility of the material at the yield point.

Environmental Stress Cracking Resistance:

• ESCR: 150 hours, showcasing the material’s durability under stress in harsh chemical environments.

Thermal Properties:

• Melting Temperature: 131°C, indicating the temperature at which the material transitions from solid to liquid.
• Vicat Softening Temperature: 78°C, the temperature at which the material begins to soften under a specified load.

In conclusion, HDPE HBM 5020 is an excellent choice for manufacturers seeking a high-density polyethylene with high stiffness, excellent flow properties, and superior environmental stress cracking resistance. It is especially suited for the production of small bottles that require durability and chemical resistance, making it ideal for both consumer and industrial applications.