About |
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Material code according to ISO 1043-1: POM Acetal copolymer reinforced with 25 weight percent long glass fibers. The fibers are chemically coupled to the POM 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 | Copolymer Polyformaldehyde |
Material Status | Commercial: Active |
Features | Good Rigidity,Good flexibility,High impact resistance,Chemical coupling,Copolymer,low-temperature impact resistance |
Availabilitys | North America |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.59 | g/cm³ | ISO 1183 |
MECHANICAL | Nominal value | Unit | Test method |
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Tensile modulus | 10300 | MPa | ISO 527-2/1A/1 |
tensile strength | |||
fracture | 177 | MPa | ISO 527-2/1A/5 |
Tensile strain | |||
fracture | 2.4 | % | ISO 527-2/1A/5 |
Bending modulus | |||
23℃ | 9190 | MPa | ISO 178 |
bending strength | |||
23℃ | 265 | MPa | ISO 178 |
IMPACT | Nominal value | Unit | Test method |
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Charpy Notched Impact Strength | |||
23℃ | 35 | kJ/m² | ISO 179/1eA |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature | 80 to 90 | °C | |
Drying time | 3.0 | hr | |
Recommended maximum moisture content | 0.15 | % | |
Barrel rear temperature | 180 to 195 | °C | |
Barrel middle temperature | 190 to 200 | °C | |
Barrel front temperature | 195 to 205 | °C | |
Nozzle temperature | 195 to 205 | °C | |
Processing (melt) temperature | 195 to 205 | °C | |
Mold temperature | 70 to 110 | °C | |
Injection pressure | 60.0 to 120 | MPa | |
Injection speed | 中等 | ||
Hold pressure | 60.0 to 120 | MPa | |
Back pressure | 0.00 to 3.00 | MPa |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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