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

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Informação do produto
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
Características de processamento/físicasValorUnidadeMétodo de ensaio
ISO Dados
Índice de fluidez volumétrico, MVR 7.5 cm³/10min ISO 1133
Temperatura 190 °C -
Carga 2.16 kg -
Contração após a moldagem, paralelo 2.1 % ISO 294-4, 2577
Contração após a moldagem, perpendicular 2.1 % ISO 294-4, 2577
Propriedades mecânicasValorUnidadeMétodo de ensaio
ISO Dados
Módulo de tração 2700 MPa ISO 527
Tensão no escoamento 61 MPa ISO 527
Deformação no escoamento 9.5 % ISO 527
Deformação nominal na ruptura 26 % ISO 527
Módulo de tensão de fluência, 1000h 1400 MPa ISO 899-1
Resistência ao impacto Charpy , +23°C 100 kJ/m² ISO 179/1eU
Resistência ao impacto Charpy, -30°C 100 kJ/m² ISO 179/1eU
Res. impacto Charpy c/entalhe, +23°C 5 kJ/m² ISO 179/1eA
Res. impacto Charpy c/entalhe, -30°C 4 kJ/m² ISO 179/1eA
Propriedades térmicasValorUnidadeMétodo de ensaio
ISO Dados
Temperatura de fusão, 10°C/min 166 °C ISO 11357-1/-3
Temperatura de deflexão térmica, 1.80 MPa 90 °C ISO 75-1/-2
Coef. de expansão térmica linear, paralelo 110 E-6/K ISO 11359-1/-2
Flamabilidade a 1.5mm esp. nom. HB class IEC 60695-11-10
Propriedades elétricasValorUnidadeMétodo de ensaio
ISO Dados
Constante dielétrica, 1MHz 3.8 - IEC 62631-2-1
Fator de dissipação dielétrica, 1MHz 50 E-4 IEC 62631-2-1
Resistividade volumétrica específica 1E13 Ohm*m IEC 62631-3-1
Resistividade superficial específica 1E13 Ohm IEC 62631-3-2
Índice comparativo de linha de fuga 600 - IEC 60112
Outras propriedadesValorUnidadeMétodo de ensaio
Absorção de água 0.9 % Sim. to ISO 62
Absorção de umidade 0.2 % Sim. to ISO 62
Densidade 1430 kg/m³ ISO 1183
Características
Processamento
Moldagem por injeção
Características
Grau tribológico, Copolímero
Outras informações
Moldagem por injeção
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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