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This is the free Material Data Center Datasheet of CELANEX® 3202-2 - PBT - Celanese

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Caratteristiche Fisiche - Proprietà Meccaniche - Proprietà Termiche - Altre Proprietà - Raccomandazione de Processabilità Stampaggio ad Iniezione
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Caratteristiche FisicheValoreUnitáNorma del test
ISO Data
Ritiro di stampaggio, parallelo 0.6 % ISO 294-4, 2577
Proprietà MeccanicheValoreUnitáNorma del test
ISO Data
Carico unitario a rottura 115 MPa ISO 527
Deformazione a rottura 3.2 % ISO 527
Proprietà TermicheValoreUnitáNorma del test
ISO Data
Temperatura di fusione, 10°C/min 225 °C ISO 11357-1/-3
Altre ProprietàValoreUnitáNorma del test
Assorbimento d'umidità 0.1 % Sim. alla ISO 62
Massa volumica 1450 kg/m³ ISO 1183
Raccomandazione de Processabilità Stampaggio ad IniezioneValoreUnitáNorma del test
Pre-essiccamento - Temperatura 121 °C -
Pre-essiccamento - Tempo 4 h -
Umidità del Processo ≤0.02 % -
Temperatura di fusione 235 - 260 °C -
Temperatura dello stampo 65 - 93 °C -
Caratteristiche
Processabilità e Forma di Forni
Stampaggio ad Iniezione
Additivi
Agente di distacco
Altre informazioni
Stampaggio ad Iniezione
To avoid hydrolytic degradation during processing, CELANEX resins have to be dried to a moisture level equal to or less than 0.02%. Drying should be done in a dehumidifying hopper dryer capable of dewpoints <-30°F (-34°C) at 250°F (121°C) for 4 hours.
Rear Temperature 450-470(230-240) deg F (deg C)
Center Temperature 460-480(235-250) deg F (deg C)
Front Temperature 470-500(240-260) deg F (deg C)
Nozzle Temperature 480-500(250-260) deg F (deg C)
Melt Temperature 460-500(235-260) deg F (deg C)
Mold Temperature 150-200(65-93) deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Medium
Injection Speed Fast

Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided, in particular for flame retardant grades. Up to 25% clean and dry regrind may be used.
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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