| About |
|---|
| KSR4525 is a reactor elastomer modified polypropylene intended for injection moulding. The product is available in natural colour. This material has excellent balanced mechanical properties and gives a good surface quality. Applications KSR4525 has been developed especially for the car industry to be used in automotive exterior parts. Bumpers Exterior trims Special Features UV stabilised&& |
| Product Description | |
|---|---|
| Supplier | Borealis AG |
| Generic | PP not specified |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Renewable resources |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.905 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 7.0 | g/10min | ISO 1133 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 5.5 | kJ/m² | ISO 179/1eA |
| -20℃ | 7.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 50 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -20℃ | No Break | ISO 179/1eU | |
| 23℃ | No Break | ISO 179/1eU | |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -20℃ | 6.0 | kJ/m² | ISO 180-1A |
| 23℃ | 45 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 45.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 70.0 | ℃ | ISO 75-2/B |
| Vicat Softening Temp | |||
| — | 137 | ℃ | ISO 306/A |
| — | 47.0 | ℃ | ISO 306/B |
| Linear coefficient of thermal expansion | |||
| MD：-30~80℃ | 1.0E-4 | 1/℃ | ISO 11359-2 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 1 mm | 940 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 20.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| yield | 6.0 | % | ISO 527-2/50 |
| Bending modulus | 970 | MPa | ISO 178 |
| bending strength | 22.0 | MPa | ISO 178 |
| Ball hardness | 38.0 | MPa | ISO 2039-1 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
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