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Retpol® 7552
| Category: | PP, Unspecified , Polypropylene |
| Manufacturer: | PolyPacific Pty. Ltd. |
| Trademark: | Retpol® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | lwB72S_Retpol-7552.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| Epalex 7552 is a thermoplastic rubber modified mineral filled polypropylene compound. It is a very high flow injection moulding grade developed for parts with long flow lengths and high impact strength at sub-zero temperatures whilst maintaining good rigidity at high ambient temperatures. The material displays minimal shrinkage and low CLTE. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.05 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (230°C/2.16 kg) | 30 | g/10 min | ASTM D1238 |
| Molding Shrinkage - Flow (3.00 mm) | 0.60 to 0.80 | % | ASTM D955 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (R-Scale, 3.00 mm) | 65 | ASTM D785 | |
| Durometer Hardness | ASTM D2240 | ||
| Shore D, 3.00 mm | 70 | ||
| Shore D, 15 sec, 3.00 mm | 60 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength 1(3.00 mm) | 21.0 | MPa | ASTM D638 |
| Tensile Elongation 2(Break, 3.00 mm) | 300 | % | ASTM D638 |
| Flexural Modulus (3.00 mm) | 2100 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | ASTM D256 | ||
| -20°C, 3.00 mm | 200 | J/m | |
| 0°C, 3.00 mm | 400 | J/m | |
| 23°C, 3.00 mm | 550 | J/m |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (0.45 MPa, Unannealed, 3.00 mm) | 108 | °C | ASTM D648 |
| CLTE - Flow (-30 to 30°C, 3.00 mm) | 5.0E-5 | cm/cm/°C | ASTM D696 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 100 | °C | |
| Drying Time | 2.0 to 4.0 | hr | |
| Suggested Max Regrind | 10 | % | |
| Processing (Melt) Temp | 200 to 260 | °C | |
| Mold Temperature | 20.0 to 60.0 | °C | |
| Injection Rate | Moderate-Fast |
| Note Message | |
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| 1 . | 50 mm/min |
| 2 . | 50 mm/min |
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