PP Impact Copolymer – Moplen EP546U: Versatile & Durable Resin for Injection Molding by LyondellBasell
Moplen EP546U, a versatile impact copolymer polypropylene (PP) resin from LyondellBasell, is specifically formulated for a broad range of injection molding applications where a robust balance of impact strength, stiffness, and reliable processability is required. This general-purpose grade offers consistent performance for durable components across various industrial, automotive, and consumer goods sectors.
Building on LyondellBasell’s deep expertise in polypropylene technology, Moplen EP546U ensures efficient production of parts that withstand everyday impacts and stresses, providing long-lasting functionality and user satisfaction. Its balanced properties make it a go-to choice for a wide array of utility-focused applications.
Key Features & Benefits:
- Good Impact Strength: Provides reliable resistance to impact, ensuring the durability of molded parts under normal operating conditions and moderate low temperatures.
- Balanced Stiffness & Toughness: Offers a robust combination of rigidity and resilience to breaking, ideal for components that require both structural integrity and a degree of flexibility.
- Good Heat Resistance: Maintains stable performance at elevated temperatures, suitable for various general-purpose applications.
- Consistent Processability: Designed for efficient injection molding, featuring good melt flow characteristics for stable mold filling and consistent part quality, aiding in smooth production.
- Good Dimensional Stability: Ensures consistent part dimensions and minimal warpage, crucial for reliable assembly and fitting.
- Good Surface Finish: Produces parts with a desirable surface appearance, contributing to the overall aesthetic quality.
- Broad Application Utility: Its balanced properties make it suitable for a wide variety of molded articles across different industries.
Typical Applications:
Moplen EP546U is highly recommended for injection molding processes across various industrial, automotive, appliance, and consumer goods sectors:
- Appliance Components: Housings, tubs, and other durable parts for domestic appliances.
- Housewares: Storage bins, buckets, garden furniture, and other robust household items.
- Automotive Interior Parts: Dashboards, door panels, consoles, and other components where impact resistance and good aesthetics are needed.
- Toys: Durable toy parts and components designed to withstand active use.
- Industrial Containers & Bins: Rigid containers, totes, and bins for storage and transport.
- Luggage Components: Shells and internal parts for durable luggage.
- General Industrial Molded Parts: A versatile choice for a wide range of components requiring toughness 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 LyondellBasell for the most accurate and up-to-date information for this specific grade.
- Melt Flow Rate (MFR) (230°C / 2.16 kg): 20 – 30 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: 1100 – 1400 MPa (ISO 178)
- Notched Izod Impact Strength (23°C): 20 – 35 kJ/m² (ISO 180/1A)
- Notched Izod Impact Strength (0°C): 8 – 15 kJ/m² (ISO 180/1A)
- Heat Deflection Temperature (HDT) (1.8 MPa): ~80 – 90 °C (ISO 75-2)
- Vicat Softening Temperature (A/50): ~130 – 135 °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 EP546U 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 EP546U, 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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