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This is the free Material Data Center Datasheet of CELANEX® 4016 - PBT - Celanese

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Informations produit
Non-exuding, unfilled, flame retardant polybutylene terephthalate which has an excellent balance of mechanical properties and processability. Celanex 4016 is well suited for applications requiring improved toughness.

Flammability at thickness h (0.85 mm)V-0-
Caractéristiques des transformations/physiquesValeurUnitéNorme du test
ISO Data
Indice de fluidité à chaud en volume, MVR 4.9 cm³/10min ISO 1133
Température 250 °C -
Charge 2.16 kg -
Retrait au moulage, parallèle 1.8 % ISO 294-4, 2577
Retrait au moulage, perpendiculaire 1.8 % ISO 294-4, 2577
Propriétés mécaniquesValeurUnitéNorme du test
ISO Data
Module en traction 2800 MPa ISO 527
Contrainte d'écoulement 55 MPa ISO 527
Déformation au seuil d'écoulement 3.7 % ISO 527
Déformation nominale à la rupture 38 % ISO 527
Résistance au choc Charpy, +23°C 245 kJ/m² ISO 179/1eU
Résistance au choc Charpy, -30°C 105 kJ/m² ISO 179/1eU
Résistance au choc Charpy (entaillé), +23°C 8.1 kJ/m² ISO 179/1eA
Résistance au choc Charpy (entaillé), -30°C 8.1 kJ/m² ISO 179/1eA
Dureté Shore D 80 - ISO 7619-1
Propriétés thermiquesValeurUnitéNorme du test
ISO Data
Température de fusion, 10°C/min 225 °C ISO 11357-1/-3
Température de transition vitreuse, 10°C/min 48 °C ISO 11357-1/-2
Température de fléchissement s/chrg, 1.80 MPa 62 °C ISO 75-1/-2
Température de fléchissement s/chrg, 0.45 MPa 159 °C ISO 75-1/-2
Coeffic. de dilatation therm. linéique, parallèle 100 E-6/K ISO 11359-1/-2
Coeffic. de dilatation therm. linéique, perpend. 100 E-6/K ISO 11359-1/-2
Inflammabilité pr. épaisseur h V-0 class IEC 60695-11-10
Epaisseur de l'éprouvette 0.8 mm -
Aptitude à l'allumage 30 % ISO 4589-1/-2
Propriétés électriquesValeurUnitéNorme du test
ISO Data
Permittivité relative, 100Hz 3.1 - IEC 62631-2-1
Permittivité relative, 1MHz 3.1 - IEC 62631-2-1
Facteur de pertes, 1MHz 200 E-4 IEC 62631-2-1
Résistivité transversale 1E13 Ohm*m IEC 62631-3-1
Résistivité superficielle 1E15 Ohm IEC 62631-3-2
Rigidité diélectrique 50 kV/mm IEC 60243-1
Propriétés diversesValeurUnitéNorme du test
Absorption d'eau 0.08 % Sim. to ISO 62
Absorption d'humidité 0.16 % Sim. to ISO 62
Masse volumique 1450 kg/m³ ISO 1183
Recommandations pour la transformation Moulage par injectionValeurUnitéNorme du test
Pré-séchage - température 121 °C -
Pré-séchage - temps 4 h -
L'humidité de traitement ≤0.02 % -
Température de la matière fondue 235 - 255 °C -
Température du moule 65 - 93 °C -
Caractéristiques
Transformation
Moulage par injection
Conditionnement
Granulés
Propriétés spéciales
Ignifugé
Disponibilité régionale
Amérique du nord, Europe, Asia Pacific, South and Central America, Proche-Orient/Afrique
Autres informations
Moulages par injection
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 470-490(240-255) deg F (deg C)
Nozzle Temperature 480-490(250-255) deg F (deg C)
Melt Temperature 460-490(235-255) 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 50% clean and dry regrind may be used for the '16 series' flame retardant grades.
Conditions générales
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