| About |
|---|
| CP 741 is a low melt flow rate heterophasic copolymer. It has broad molecular weight distribution and general purpose additive package. CP 741 presents low odor/taste transfer, high melt strength, good processability and excellent impact strength even at low temperatures. Applications: Thermoformed packages with high impact strength; Blown packages and technical parts in general; Sheet extrusion with high impact resistance; Corrugated pipe extrusion for water drainage of sinks or washbasins. Processing: Thermoforming Blow Molding Extrusion&& |
| Product Description | |
|---|---|
| Supplier | Braskem |
| Generic | HMS PP |
| Material Status | Commercial: Active |
| Features | Excellent Processability,High impact resistance,Low odor,Fatigue resistance,Good melt strength,Copolymer,Nontoxicity |
| Availabilitys | Latin America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.895 | g/cm³ | ASTM D792 |
| Density | 0.895 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 0.80 | g/10min | ISO 1133 |
| 230℃，2.16kg | 0.80 | g/10min | ASTM D1238 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -20 ℃, injection molding | 50 | J/m | ASTM D256 |
| 23 ℃, injection molding | No Break | ASTM D256 | |
| Impact strength of cantilever beam notch | ISO 180 | ||
| -20 ℃, injection molding | 3.9 | kJ/m² | ISO 180 |
| 23 ℃, injection molding | 52 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, injection molded | 50.0 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 50.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed, injection molded | 90.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 79.0 | ℃ | ISO 75-2/B |
| Vicat Softening Temp | 147 | ℃ | ASTM D1525 3 |
| Vicat Softening Temp | 147 | ℃ | ISO 306/A |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, injection molding | 25.0 | MPa | ISO 527-2 |
| Yield, injection molding | 24.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Yield, injection molding | 17 | % | ISO 527-2 |
| Yield, injection molding | 13 | % | ASTM D638 |
| Bending modulus | |||
| 1% cut, injection molding | 1050 | MPa | ISO 178 |
| 1% cut, injection molding | 900 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 57 | ISO 2039-2 | |
| R-level | 59 | ASTM D785 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Injection Molded |
| 3. Loading 1 (10 N) |
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