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This is the free Material Data Center Datasheet of Ultraform® N2770 K AT - POM - BASF

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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
Injection molding grade with enhanced wear behavior for sliding parts.

Abbreviated designation according to ISO 1043-1: POM
Designation according to ISO 29988-POM-K,,M-GNRS2,3-2
Caratteristiche FisicheValoreUnitáNorma del test
ISO Data
Indice di fusione di volume, MVR 7.5 cm³/10min ISO 1133
Temperatura 190 °C -
Carico 2.16 kg -
Ritiro di stampaggio, parallelo 2.1 % ISO 294-4, 2577
Ritiro di stampaggio, perpendicolare 2.1 % ISO 294-4, 2577
Proprietà MeccanicheValoreUnitáNorma del test
ISO Data
Modulo a trazione 2700 MPa ISO 527
Carico unitario a trazione 61 MPa ISO 527
Deformazione a snervamento 9.5 % ISO 527
Deformazione nominale a rottura 26 % ISO 527
Modulo di scorrimento a trazione, 1000h 1400 MPa ISO 899-1
Resistenza all'urto Charpy, +23°C 100 kJ/m² ISO 179/1eU
Resistenza all'urto Charpy, -30°C 100 kJ/m² ISO 179/1eU
Resistenzia all'urto Charpy con intaglio, +23°C 5 kJ/m² ISO 179/1eA
Resistenzia all'urto Charpy con intaglio, -30°C 4 kJ/m² ISO 179/1eA
Proprietà TermicheValoreUnitáNorma del test
ISO Data
Temperatura di fusione, 10°C/min 166 °C ISO 11357-1/-3
Temp.di inflessione sotto carico, 1.80 MPa 90 °C ISO 75-1/-2
Coeff.di dilatazione termica lin., parallelo 110 E-6/K ISO 11359-1/-2
Reaz. al fuoco spess.nom. 1.5mm HB class IEC 60695-11-10
Proprietà ElettricheValoreUnitáNorma del test
ISO Data
Costante dielettrica relativa, 1MHz 3.8 - IEC 62631-2-1
Fattore di dissipazione, 1MHz 50 E-4 IEC 62631-2-1
Resistività volumica 1E13 Ohm*m IEC 62631-3-1
Resistività superficiale 1E13 Ohm IEC 62631-3-2
Res. Alle correnti striscianti superficiali 600 - IEC 60112
Altre ProprietàValoreUnitáNorma del test
Assorbimento d'acqua 0.9 % Sim. alla ISO 62
Assorbimento d'umidità 0.2 % Sim. alla ISO 62
Massa volumica 1430 kg/m³ ISO 1183
Raccomandazione de Processabilità Stampaggio ad IniezioneValoreUnitáNorma del test
Pre-essiccamento - Temperatura 100 - 110 °C -
Pre-essiccamento - Tempo 3 h -
Umidità del Processo ≤0.2 % -
Temperatura di fusione 190 - 230 °C -
Temperatura dello stampo 60 - 120 °C -
Caratteristiche
Processabilità e Forma di Forni
Stampaggio ad Iniezione
Caratteristiche
Grado tribologico, Copolimero
Altre informazioni
Stampaggio ad Iniezione
PROCESSING
injection molding, Melt temperature, range: 190 - 230 °C
injection molding, Mold temperature, range: 60 - 120 °C

Processing

Usual single-flighted three-section screws with an effective screw length of at least 15 D, better 20 - 23 D are suitable for the injection molding of Ultraform.

Pretreatment

Granules or pellets in original packaging can be processed without any special pretreatment. Granules or pellets which have become moist due to prolonged or incorrect storage (e.g. by formation of condensed water) must be dried in dehumidifying or recirculating air dryers for approx. 3 hours at about 100 - 110 °C. The moisture content should not exceed 0.2 %.


Postprocessing

If parts were produced at a comparatively low mold temperature (e.g. in order to obtain short cycle times) and must not change their geometry in use thermal postprocessing inducing dimensional changes by postcrystallization may be necessary. In such cases parts should be stored in an oven with recirculated air at temperatures of 100 - 130 °C until dimensions don't change significantly any further. The time needed for this has to be determined experimentally.
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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