Description
Total Petrochemicals PPR 7220 is a nucleated random copolymer polypropylene with a Melt Flow Index of 10 g/min for the injection moulding of articles with high transparency and excellent surface appearance.
Polypropylene PPR 7220 is intended for general purpose, household goods, cosmetic caps and closures.
| Characteristics | Method | Unit | Typical Value |
| Rheological properties | |||
| Melt Flow Index 230°C/2.16 kg | ISO 1133 | g/10 min | 10 |
| Mechanical properties | |||
| Tensile Strength at Yield | ISO 527-2 | MPa | 29 |
| Elongation at Yield | ISO 527-2 | % | 10 |
| Tensile modulus | ISO 527-2 | MPa | 1300 |
| Flexural modulus | ISO 178 | MPa | 1200 |
| Izod Impact Strength (notched) at 23°C | ISO 180 | kJ/m² | 5.5 |
| Charpy Impact Strength (notched) at 23°C | ISO 179 | kJ/m² | 7 |
| Hardness Rockwell – R-scale | ISO 2039-2 | 86 | |
| Thermal properties | |||
| Melting Point | ISO 3146 | °C | 146 |
| Vicat Softening Point | ISO 306 | °C | |
| 50N-50°C per hour | 67 | ||
| 10N-50°C per hour | 130 | ||
| Other physical properties | |||
| Density | ISO 1183 | g/cm³ | 0.902 |
| Bulk Density | ISO 1183 | g/cm³ | 0.525 |
Specification: PPR-TOTAL-RJ770
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