PP Impact Copolymer for Injection Molding
This high‑flow impact‑copolymer polypropylene raw material from is suitable for high‑speed thin‑wall complex injection molding processes. EP548R has a melt flow rate of 28‑34, featuring well‑balanced stiffness and impact resistance, superior flow property, short molding cycle and excellent processing stability. It is highly suitable for various products with high requirements on material flowability and toughness, including home‑appliance components, automotive interior parts, daily‑use plastic articles and toys.
Typical property values for guidance. Certified lot-specific COA provided with every shipment.
| Property | Test Method | Unit | Typical Value |
|---|---|---|---|
| Melt Flow Rate | ASTM D1238 | g/10min | 28-34 |
| Density | ASTM D1505 | g/cm³ | 0.900 |
| Tensile Strength (Yield) | ASTM D638 | MPa | 25 |
| Elongation at Break | ASTM D638 | % | 100 |
| Flexural Modulus | ASTM D790 | MPa | 1100 |
| Notched Izod Impact (23°C) | ASTM D256 | kJ/m² | 6 |
| Rockwell Hardness | ASTM D785 | R scale | 80 |
| Vicat Softening Temperature | ASTM D1525 | °C | 145 |
| Heat Deflection Temperature (0.45 MPa) | ASTM D648 | °C | 95 |
Test condition: 230°C / 2.16 kg for MFR. Values are typical and not intended as specification limits.
Typical end-use applications for EP548R — confirmed by mill technical data and converter feedback.
automobile door panel accessories, instrument panel components, interior decorative plastic parts
accessories for washing machine and air‑conditioner, structural parts for small home appliances
high‑grade plastic toys, household storage parts, daily‑use plastic housings
base resin of high‑flow modified PP, for compounding to produce various injection‑molding pellets
EP548R processes on standard equipment. Use the guideline below as a starting point; fine-tune to your specific mold and cycle.
| Melt Temperature | 200 – 230 °C |
| Mold Temperature | 20 – 50 °C |
| Injection Pressure | 80 – 120 MPa |
| Screw Speed | 80 – 150 rpm |
| Drying (if needed) | 70 °C / 1 h |
Standard mill packaging protects resin integrity through ocean and inland transit to your destination port.
25kg Bag
1,000 kg bulk bag for high-volume converters seeking reduced packaging waste.
Each shipment includes mill COA, MSDS, packing list, and certificate of origin. Third-party SGS/BV inspection available on request.
Tell us your volume, destination port, and packaging preference. We'll respond within 24 hours with mill-direct pricing and current availability from our mill partners.