About |
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Material code according to ISO 1043-1: PP Polypropylene copolymer reinforced with 20 weight percent long glass fibers. Low emission. 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 | |
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Supplier | Celanese |
Generic | PP copolymer |
Material Status | Commercial: Active |
Features | Good Rigidity,Low warping,Good flexibility,Low odor,Chemical coupling,Copolymer,low-temperature impact resistance,Good Isotropy |
Availabilitys | North America,Asia Pacific,Europe |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.03 | g/cm³ | ISO 1183 |
MECHANICAL | Nominal value | Unit | Test method |
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Tensile modulus | 4700 | MPa | ISO 527-2/1A |
tensile strength | |||
fracture | 84.0 | MPa | ISO 527-2/1A/5 |
Tensile strain | |||
fracture | 2.5 | % | ISO 527-2/1A/5 |
Bending modulus | |||
23℃ | 4500 | MPa | |
80℃ | 3400 | MPa | |
bending strength | |||
23℃ | 140 | MPa | |
80℃ | 90.0 | MPa |
IMPACT | Nominal value | Unit | Test method |
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Charpy Notched Impact Strength | |||
-30℃ | 20 | kJ/m² | |
23℃ | 20 | kJ/m² | |
Charpy Unnotch Impact strength | |||
-30℃ | 60 | kJ/m² | |
23℃ | 56 | kJ/m² | |
Impact strength of cantilever beam notch | |||
23℃ | 38 | kJ/m² | ISO 180-1A |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | |||
1.8 MPa, unannealed | 159 | ℃ | ISO 75-2/A |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature | 90 to 100 | °C | |
Drying time | 4.0 | hr | |
Recommended maximum moisture content | 0.20 | % | |
Barrel rear temperature | 220 to 230 | °C | |
Barrel middle temperature | 230 to 240 | °C | |
Barrel front temperature | 240 to 250 | °C | |
Nozzle temperature | 240 to 250 | °C | |
Processing (melt) temperature | 230 to 270 | °C | |
Mold temperature | 30 to 70 | °C | |
Injection speed | 慢 | ||
Back pressure | < 3.00 | MPa |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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