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This is the free Material Data Center Datasheet of CELANEX® 3300HR - PBT-GF30 - Celanese

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Caracteristicas de procesamiento y fisicasValorUnidadesMétodo de ensayo
ISO Data
Contracción posterior al moldeo, paralelo 0.7 % ISO 294-4, 2577
Contracción posterior al moldeo, normal 0.9 % ISO 294-4, 2577
Propiedades mecánicasValorUnidadesMétodo de ensayo
ISO Data
Módulo de tracción 9200 MPa ISO 527
Resistencia a la tracción 139 MPa ISO 527
Alargamiento a rotura 2.7 % ISO 527
Resistencia al impacto Charpy, +23°C 46 kJ/m² ISO 179/1eU
Resistencia al impacto Charpy, -30°C 45 kJ/m² ISO 179/1eU
Resistencia al impacto Charpy c/entalla, +23°C 8.5 kJ/m² ISO 179/1eA
Resistencia al impacto Charpy c/entalla, -30°C 8.5 kJ/m² ISO 179/1eA
Propiedades térmicasValorUnidadesMétodo de ensayo
ISO Data
Temperatura de fusión, 10°C/min 225 °C ISO 11357-1/-3
Temp. de transición vítrea, 10°C/min 60 °C ISO 11357-1/-2
Estabilidad al calor, 1.80 MPa 205 °C ISO 75-1/-2
Estabilidad al calor, 0.45 MPa 225 °C ISO 75-1/-2
Temp. reblandecimiento Vicat, B 220 °C ISO 306
Coef.de expansión térmica lineal, paralelo 25 E-6/K ISO 11359-1/-2
Coef.de expansión térmica lineal, normal 100 E-6/K ISO 11359-1/-2
Propiedades eléctricasValorUnidadesMétodo de ensayo
ISO Data
Constante dieléctrica, 100Hz 4.5 - IEC 62631-2-1
Constante dieléctrica, 1MHz 4.1 - IEC 62631-2-1
Factor de pérdidas dieléctricas, 100Hz 22 E-4 IEC 62631-2-1
Factor de pérdidas dieléctricas, 1MHz 160 E-4 IEC 62631-2-1
Resistividad volumétrica específica >1E13 Ohm*m IEC 62631-3-1
Resistividad superficial específica >1E15 Ohm IEC 62631-3-2
Resistencia dieléctrica 31 kV/mm IEC 60243-1
Otras propiedadesValorUnidadesMétodo de ensayo
Absorción de humedad 0.17 % Sim. to ISO 62
Densidad 1540 kg/m³ ISO 1183
Recomendación para procesamiento Moldeo por inyecciónValorUnidadesMétodo de ensayo
Temperatura de pre-secado 121 °C -
Tiempo de pre-secado 4 h -
Humedad de procesamiento ≤0.02 % -
Temperatura de la masa 235 - 260 °C -
Temperatura del molde 65 - 93 °C -
Características
Procesamiento y forma de entrega
Moldeo por inyección
Forma de suministro
Sémola
Aditivos
Lubricante
Demás información
Moldeo por inyección
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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