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This datasheet of KOBLEND® P 477E from Polimeri Europa is provided by the international plastics database CAMPUS.
CAMPUS is organized by a group of leading international resin producers, who have agreed to test their material according to uniform conditions, based on ISO standards (ISO 10350, ISO 11403), in order to offer comparable data to the market.
Special polystyrene alloy which combines the easy processing of styrenics with superior impact strength and excellent environmental stress cracking resistance to chemicals, oils and fatty foods.
Koblend P 477E is recommended for the extrusion and the thermoforming of sheets for industrial applications, for inner liners of refrigerators and packaging for fatty foods.
Applications:
Thermoformed panels for tractors, inner liner for refrigerators where HCFC 141b is used as blowing agent for the insulating PU foam, tubs and lids for packaging of fatty foods such as margarine, salads etc.
| Rheological properties | Value | Unit | Test Standard |
| Melt volume-flow rate (MVR) | 5.5 | cm³/10min | ISO 1133 |
| Temperature | 200 | °C | ISO 1133 |
| Load | 5 | kg | ISO 1133 |
| Mechanical properties | Value | Unit | Test Standard |
| Tensile Modulus | 1200 | MPa | ISO 527-1/-2 |
| Yield stress | 20 | MPa | ISO 527-1/-2 |
| Yield strain | 3.1 | % | ISO 527-1/-2 |
| Nominal strain at break | >50 | % | ISO 527-1/-2 |
| Charpy impact strength (+23°C) | N | kJ/m² | ISO 179/1eU |
| Charpy impact strength (-30°C) | N | kJ/m² | ISO 179/1eU |
| Charpy notched impact strength (+23°C) | 29 | kJ/m² | ISO 179/1eA |
| Charpy notched impact strength (-30°C) | 11 | kJ/m² | ISO 179/1eA |
| Thermal properties | Value | Unit | Test Standard |
| Melting temperature (10°C/min) | 114 | °C | ISO 11357-1/-3 |
| Burning Behav. at 1.5 mm nom. thickn. | HB | class | IEC 60695-11-10 |
| Thickness tested | 1.5 | mm | IEC 60695-11-10 |
| Other properties | Value | Unit | Test Standard |
| Density | 1000 | kg/m³ | ISO 1183 |
| Rheological calculation properties | Value | Unit | Test Standard |
| Density of melt | 880 | kg/m³ | - |
| Spec. heat capacity melt | 2300 | J/(kg K) | - |
Drying normally not required
PROCESSING
Melt temperature 200 - 230 °C
PREPROCESSING
Drying normally not required
PROCESSING
Melt temperature 200 -230 °C
Drying normally not required
PROCESSING
Melt temperature 200 -230 °C
Dear CAMPUS User, The data, information and suggestions are provided for guidance purpose only. The Company accepts no responsibility for the results obtained therefrom, as neither for their utilisation in infringement of possible patents rights. All indicated data refer to natural grades. On the subject of the experimental products, the Company reserves the right to change without prewarning the characteristics, to optimise the performances. If you have any questions regarding CAMPUS, please send an e-mail to:Pe Campus For further information regarding Polimeri Europa: Polimeri Europa Homepage
CAMPUS® is a Registered trademark of CWFG mbH, Frankfurt/Main, 1991











