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

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Caratteristiche Fisiche - Proprietà Meccaniche - Proprietà Termiche - Proprietà Elettriche - Altre Proprietà - Raccomandazione de Processabilità Stampaggio ad Iniezione
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Testo del prodotto
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-
Caratteristiche FisicheValoreUnitáNorma del test
ISO Data
Indice di fusione di volume, MVR 4.9 cm³/10min ISO 1133
Temperatura 250 °C -
Carico 2.16 kg -
Ritiro di stampaggio, parallelo 1.8 % ISO 294-4, 2577
Ritiro di stampaggio, perpendicolare 1.8 % ISO 294-4, 2577
Proprietà MeccanicheValoreUnitáNorma del test
ISO Data
Modulo a trazione 2800 MPa ISO 527
Carico unitario a trazione 55 MPa ISO 527
Deformazione a snervamento 3.7 % ISO 527
Deformazione nominale a rottura 38 % ISO 527
Resistenza all'urto Charpy, +23°C 245 kJ/m² ISO 179/1eU
Resistenza all'urto Charpy, -30°C 105 kJ/m² ISO 179/1eU
Resistenzia all'urto Charpy con intaglio, +23°C 8.1 kJ/m² ISO 179/1eA
Resistenzia all'urto Charpy con intaglio, -30°C 8.1 kJ/m² ISO 179/1eA
Durezza Shore D 80 - ISO 7619-1
Proprietà TermicheValoreUnitáNorma del test
ISO Data
Temperatura di fusione, 10°C/min 225 °C ISO 11357-1/-3
Temperatura di transizione vetrosa, 10°C/min 48 °C ISO 11357-1/-2
Temp.di inflessione sotto carico, 1.80 MPa 62 °C ISO 75-1/-2
Temp.di inflessione sotto carico, 0.45 MPa 159 °C ISO 75-1/-2
Coeff.di dilatazione termica lin., parallelo 100 E-6/K ISO 11359-1/-2
Coeff.di dilatazione termica lin., perpend. 100 E-6/K ISO 11359-1/-2
Reazione al fuoco a spessore h V-0 class IEC 60695-11-10
Spessore provato 0.8 mm -
Indice di ossigeno 30 % ISO 4589-1/-2
Proprietà ElettricheValoreUnitáNorma del test
ISO Data
Costante dielettrica relativa, 100Hz 3.1 - IEC 62631-2-1
Costante dielettrica relativa, 1MHz 3.1 - IEC 62631-2-1
Fattore di dissipazione, 1MHz 200 E-4 IEC 62631-2-1
Resistività volumica 1E13 Ohm*m IEC 62631-3-1
Resistività superficiale 1E15 Ohm IEC 62631-3-2
Rigidità dielettrica 50 kV/mm IEC 60243-1
Altre ProprietàValoreUnitáNorma del test
Assorbimento d'acqua 0.08 % Sim. alla ISO 62
Assorbimento d'umidità 0.16 % 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 - 255 °C -
Temperatura dello stampo 65 - 93 °C -
Caratteristiche
Processabilità e Forma di Forni
Stampaggio ad Iniezione
Forma fisica disponibile
Pellet
Caratteristiche speciali
Ritardante di fiamma
Disponibilità geografica
Nord America, Europa, Asia Oceano Pacifico, South and Central America, Near East/Africa
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 470-490(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.
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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