| About |
|---|
| Material code according to ISO 1043-1: PP Heat and light stabilized polypropylene reinforced with 50 weight percent long glass fibers. The product has low emissions. The fibers are chemically coupled to the polypropylene matrix. The pellets are cylindrical and normally as well as the embedded fibers 10 mm long. Parts molded of CELSTRAN have outstanding mechanical properties such as high strength and stiffness combined with high heat deflection. The notched impact strength is increased at elevated and low temperatures due to the fiber skeleton built in the parts. The long fiber reinforcement reduces creep significantly. The very isotropic shrinkage in the molded parts minimizes the warpage. Complex parts can be manufactured with high reproducibility by injection molding. Application field: Functional/structural parts for automotive&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | PP not specified |
| Material Status | Commercial: Active |
| Features | low-temperature impact resistance,Low odor,Weather resistance is good,Good flexibility,Good Isotropy,Low warping,Chemical coupling,Heat Stabilized,Good Rigidity |
| Availabilitys | Asia Pacific,North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.34 | g/cm³ | ISO 1183 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 11600 | MPa | ISO 527-2/1A |
| Tensile stress | |||
| Break | 140 | MPa | ISO 527-2/1A/5 |
| Tensile strain | |||
| Break | 1.8 | % | ISO 527-2/1A/5 |
| Flexural modulus | |||
| 23℃ | 12000 | MPa | |
| 80℃ | 8250 | MPa | |
| Flexural strength | |||
| 23℃ | 220 | MPa | |
| 80℃ | 125 | MPa |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy impact strength | |||
| -30℃ | 58 | kJ/m² | |
| 23℃ | 60 | kJ/m² | |
| Charpy Unnotch Impact strength | |||
| -30℃ | 33 | kJ/m² | |
| 23℃ | 32 | kJ/m² |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature HDT | |||
| 1.8 MPa, unannealed | 158 | ℃ | ISO 75-2/A |
| 8.0 MPa, unannealed | 138 | ℃ | ISO 75-2/C |
| Melting temperature | 165 | ℃ | ISO 11357-3 |
| Coeff. of linear thermal expansion | |||
| -30 ℃ -100 ℃, parallel | 0.184 | ×10-4/℃ | ISO 11359-2 |
| -30 ℃ -100 ℃, normal direction | 0.815 | ×10-4/℃ | ISO 11359-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.00 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| Drying time | 90 – 100 | °C | |
| Drying temperature | 2.0 | hr | |
| Recommended maximum water content | 0.20 | % | |
| Nozzle temperature | 230-250 | °C | |
| Melt temperature | 230-250 | °C | |
| Mold temperature | 30-70 | °C | |
| Injection speed | 慢 | ||
| Feeding zone temperature | 20-50 | ℃ | |
| Zone 1 temperature | 220-240 | ℃ | |
| Zone 2 temperature | 220-240 | ℃ | |
| Zone 3 temperature | 230-250 | ℃ | |
| Zone 4 temperature | 230-250 | ℃ | |
| Back pressure | 30 | bar | |
| Screw speed – diameter 40 mm | 50 | RPM | |
| Screw speed – diameter 55 mm | 35 | RPM | |
| Screw speed – diameter 75 mm | 25 | RPM | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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