HDPE-HMA 016

EXXONMOBIL™ HMA 016 is a premium High-Density Polyethylene (HDPE) resin, expertly manufactured by ExxonMobil Chemical, specifically engineered for high-performance injection molding applications. This versatile grade offers an outstanding balance of rigidity, impact strength, and excellent processability, making it an ideal choice for durable and cost-effective molded components across various industries.

HMA 016 is designed to provide consistent performance and efficient production. Its optimized flow characteristics enable fast cycle times and the creation of intricate part designs with reliable dimensional stability, ensuring high-quality finished products.

Key Features & Benefits:

• High Rigidity and Stiffness: Delivers excellent inherent stiffness and rigidity, providing robust structural integrity and load-bearing capabilities for molded parts.
• Balanced Mechanical Properties: Offers a strong combination of stiffness and impact strength, ensuring durability and resistance to breakage in demanding applications.
• Excellent Processability: Optimized for injection molding, featuring good melt flow for rapid mold filling, allowing for fast cycle times and the efficient production of complex or large components.
• Good Dimensional Stability: Ensures consistent part dimensions, minimal warpage, and reliable fit in assemblies.
• Good Environmental Stress Crack Resistance (ESCR): Provides resistance to stress cracking when exposed to certain chemicals or demanding environments, enhancing product longevity for containers and similar applications.
• Good Chemical Resistance: Inherently resistant to a wide range of chemicals, including acids, bases, and many common solvents.
• Versatile for Diverse Parts: Suitable for a broad spectrum of injection molded products where strength, stiffness, and durability are required.

Typical Applications:

EXXONMOBIL™ HMA 016 is highly recommended for injection molding processes across various industrial, consumer, and packaging sectors:

• Household Articles: Bins, crates, containers, pails, and other rigid storage solutions.
• Caps and Closures: For bottles and containers across food, beverage, and chemical industries.
• Toys: Durable and rigid toy components.
• Industrial Components: Automotive parts (non-critical), appliance components, and general industrial moldings.
• Packaging Components: Such as trays, crates, and specialized rigid containers.
• Furniture Parts: Components requiring strength and stiffness.

Typical Properties (Representative Values):

Please note that specific values may vary slightly depending on the exact production batch and testing conditions. Always refer to the official Technical Data Sheet (TDS) from ExxonMobil Chemical for the most accurate and up-to-date information.

• Melt Index (MI) (190°C / 2.16 kg): ~16 – 20 g/10 min (ASTM D1238)
• Density: ~0.954 – 0.958 g/cm³ (ASTM D1505)
• Tensile Strength @ Yield: ~24 – 28 MPa (ASTM D638)
• Flexural Modulus: ~1000 – 1200 MPa (ASTM D790)
• Notched Izod Impact Strength (23°C): ~60 – 100 J/m (ASTM D256)
• Vicat Softening Point (A): ~124 – 127 °C (ASTM D1525)
• Environmental Stress Crack Resistance (ESCR) (F50, 10% IGEPAL, 50°C): >24 hours (ASTM D1693, Condition B)

Processing Guidelines (Injection Molding – General):

• Drying: Generally not required for HDPE, but proper storage to prevent moisture pick-up is recommended. If moisture is suspected, pre-drying at 80°C for 2-3 hours can be beneficial.
• Melt Temperature: 190 – 230 °C (optimize based on machine type, mold design, and part thickness).
• Mold Temperature: 20 – 50 °C (higher mold temperatures can improve surface finish and reduce internal stress).
• Injection Speed: Medium to high, to ensure good mold filling and reduce cycle times.
• Holding Pressure: Optimized to prevent sink marks and ensure dimensional accuracy.

Packaging & Storage:

EXXONMOBIL™ HMA 016 is typically supplied in 25 kg bags or bulk containers. For optimal product quality and to prevent contamination, store in a dry, cool, and well-ventilated area, away from direct sunlight and heat sources. Keep packaging sealed until ready for use.

For detailed technical specifications, safety data sheets (SDS), and specific application support for EXXONMOBIL™ HMA 016, please contact your ExxonMobil Chemical representative and  your local authorized distributor in Panadura ,Kelaniya-Colombo, Western Province, Sri Lanka, you can reach out to your Ravago Lanka (Pvt) Ltd representative for expert assistance.