Polypropylene (PP)-Moplen EP548S

Moplen EP548S, a leading impact copolymer polypropylene (PP) resin from LyondellBasell, is specifically engineered for high-performance injection molding applications demanding excellent impact strength, a robust balance of mechanical properties, and consistent processability. This versatile grade is designed to meet the rigorous requirements of manufacturers producing durable and resilient components across various industrial, automotive, and consumer goods sectors.

Leveraging LyondellBasell’s advanced polymerization technology, Moplen EP548S ensures reliable performance and efficient production. Its optimized formulation, potentially with a specialized additive package indicated by the “S” suffix, allows for the creation of components that withstand significant impact and stress, extending product lifetime and enhancing user satisfaction.

Key Features & Benefits:

• Excellent Impact Strength: Delivers significantly enhanced impact resistance across a wide range of temperatures, making parts less brittle and highly durable in demanding environments.
• Good Balance of Stiffness & Toughness: Provides a robust combination of rigidity for structural integrity and resilience to breaking, ideal for applications requiring both strength and durability.
• Good Heat Resistance: Maintains stable performance at elevated temperatures, suitable for applications where thermal stability is a key consideration.
• Optimized Processability: Engineered for efficient injection molding, featuring good melt flow characteristics that facilitate consistent mold filling, fast cycle times, and reduced processing issues.
• Good Dimensional Stability: Ensures consistent part dimensions and minimal warpage, crucial for precise assemblies and fit.
• Good Surface Finish: Produces parts with a desirable surface appearance, contributing to the overall aesthetic quality of the finished product.
• Versatile Application Profile: Suitable for a broad spectrum of molded articles, potentially with specific advantages due to its tailored formulation (e.g., enhanced stabilization or specific surface properties).

Typical Applications:

Moplen EP548S is highly recommended for injection molding processes across various industrial, automotive, appliance, and consumer goods sectors:

• Automotive Components: Interior trims, door panels, dashboards, battery cases, and other parts requiring high impact performance and durability.
• Appliance Parts: Washing machine tubs, vacuum cleaner housings, refrigerator components, and other durable appliance enclosures.
• Durable Housewares: Buckets, pails, storage containers, and other household items built for resilience.
• Luggage & Crates: Heavy-duty containers, crates, and cases designed to withstand repeated impacts and rough handling.
• Toys: Components for toys that need to endure active play and drops.
• Industrial Components: Various molded parts where toughness, stiffness, and resistance to breakage are essential.

Typical Properties (Representative Values):

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

• Melt Flow Rate (MFR) (230°C / 2.16 kg): 25 – 40 g/10 min (ISO 1133)
• Density: ~0.90 – 0.91 g/cm³ (ISO 1183)
• Tensile Strength @ Yield: 25 – 30 MPa (ISO 527-1, 2)
• Flexural Modulus: 1200 – 1500 MPa (ISO 178)
• Notched Izod Impact Strength (23°C): 25 – 40 kJ/m² (ISO 180/1A)
• Notched Izod Impact Strength (0°C): 10 – 20 kJ/m² (ISO 180/1A)
• Heat Deflection Temperature (HDT) (1.8 MPa): ~85 – 95 °C (ISO 75-2)
• Vicat Softening Temperature (A/50): ~135 – 140 °C (ISO 306)

Processing Guidelines (Injection Molding – General):

• Drying: Generally not required for polypropylene, but proper storage to prevent moisture absorption is recommended.
• 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:

Moplen EP548S 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 Moplen EP548S, please contact your LyondellBasell representative or your local authorized distributor. In Colombo, Western Province, Sri Lanka, you can reach out to your Ravago Lanka (Pvt) Ltd representative for expert assistance.

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