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This is the free Material Data Center Datasheet of CELANEX® 2404MT - PBT - Celanese

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Características de processamento/físicas - Propriedades mecânicas - Propriedades térmicas - Outras propriedades - Diagrama
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Características de processamento/físicasValorUnidadeMétodo de ensaio
ISO Dados
Índice de fluidez volumétrico, MVR 21 cm³/10min ISO 1133
Temperatura 250 °C -
Carga 2.16 kg -
Contração após a moldagem, paralelo 1.9 % ISO 294-4, 2577
Contração após a moldagem, perpendicular 1.8 % ISO 294-4, 2577
Propriedades mecânicasValorUnidadeMétodo de ensaio
ISO Dados
Módulo de tração 2600 MPa ISO 527
Tensão no escoamento 56 MPa ISO 527
Deformação no escoamento 7 % ISO 527
Deformação nominal na ruptura 19 % ISO 527
Res. impacto Charpy c/entalhe, +23°C 3.3 kJ/m² ISO 179/1eA
Propriedades térmicasValorUnidadeMétodo de ensaio
ISO Dados
Temperatura de fusão, 10°C/min 225 °C ISO 11357-1/-3
Temp. de transição vítrea, 10°C/min 60 °C ISO 11357-1/-2
Temperatura de deflexão térmica, 1.80 MPa 55 °C ISO 75-1/-2
Temperatura de amolecimento Vicat, B 190 °C ISO 306
Outras propriedadesValorUnidadeMétodo de ensaio
Absorção de umidade 0.2 % Sim. to ISO 62
Densidade 1340 kg/m³ ISO 1183
Diagrama
Tensão - deformação , CELANEX® 2404MT, PBT, Celanese
Módulo secante - deformação , CELANEX® 2404MT, PBT, Celanese
Características
Processamento
Moldagem por injeção
Forma de entrega
Granulos
Aditivos
Lubrificantes, Desmoldante
Características especiais
Esterilizável, Esterilização por óxido de etileno (EtO), Esterilização a vapor
Certifications
Contacto com alimentos, Aprovação para contacto com alimentos BfR, Aprovação de alimentos FDA 21 CFR, Grau médico, Biocompatibility ISO 10993, USP Class VI, Drug Master File, Device Master File
Aplicaciones
Médico
Disponibilidade regional
América do Norte, Europa, Ásia Pacífico, America Centra e do Sul, Oriente/África
Outras informações
Moldagem por injeção
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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