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This is the free Material Data Center Datasheet of Ultraform® N2321 AT - POM - BASF

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Product Texts
Rapidly solidifying standard grade for injection molding.

Abbreviated designation according to ISO 1043-1: POM
Designation according to ISO 29988-POM-K,,M-GNR,3-2
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 7.5 cm³/10min ISO 1133
Temperature 190 °C -
Load 2.16 kg -
Molding shrinkage, parallel 2.1 % ISO 294-4, 2577
Molding shrinkage, normal 2.1 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 2600 MPa ISO 527
Yield stress 62 MPa ISO 527
Yield strain 9.4 % ISO 527
Nominal strain at break 27 % ISO 527
Tensile creep modulus, 1h 1800 MPa ISO 899-1
Tensile creep modulus, 1000h 1300 MPa ISO 899-1
Charpy impact strength, +23°C 240 kJ/m² ISO 179/1eU
Charpy impact strength, -30°C 210 kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 6 kJ/m² ISO 179/1eA
Charpy notched impact strength, -30°C 5 kJ/m² ISO 179/1eA
Thermal propertiesValueUnitTest Standard
ISO Data
Melting temperature, 10°C/min 166 °C ISO 11357-1/-3
Temp. of deflection under load, 1.80 MPa 95 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 156 °C ISO 75-1/-2
Vicat softening temperature, B 150 °C ISO 306
Coeff. of linear therm. expansion, parallel 110 E-6/K ISO 11359-1/-2
Burning Behav. at 1.5 mm nom. thickn. HB class IEC 60695-11-10
Thickness tested 1.6 mm -
Yellow Card available yes - -
Burning Behav. at thickness h HB class IEC 60695-11-10
Thickness tested 0.8 mm -
Yellow Card available yes - -
Oxygen index 15 % ISO 4589-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 3.8 - IEC 62631-2-1
Relative permittivity, 1MHz 3.8 - IEC 62631-2-1
Dissipation factor, 100Hz 10 E-4 IEC 62631-2-1
Dissipation factor, 1MHz 50 E-4 IEC 62631-2-1
Volume resistivity 1E11 Ohm*m IEC 62631-3-1
Surface resistivity 1E13 Ohm IEC 62631-3-2
Electric strength 40 kV/mm IEC 60243-1
Comparative tracking index 600 - IEC 60112
Other propertiesValueUnitTest Standard
Water absorption 0.9 % Sim. to ISO 62
Humidity absorption 0.2 % Sim. to ISO 62
Density 1410 kg/m³ ISO 1183
Processing Recommendation Injection MoldingValueUnitTest Standard
Pre-drying - Temperature 100 °C -
Pre-drying - Time 3 h -
Processing humidity ≤0.2 % -
Melt temperature 190 - 230 °C -
Mold temperature 60 - 120 °C -
Characteristics
Processing
Injection Molding
Delivery form
Pellets
Additives
Release agent
Features
Copolymer
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Other text information
Injection molding
PREPROCESSING
Pre/Post-processing, max. allowed water content: .2 %
Pre/Post-processing, Pre-drying, Temperature: 100 °C
Pre/Post-processing, Pre-drying, Time: 3 h

PROCESSING
injection molding, Melt temperature, range: 190 - 230 °C
injection molding, Melt temperature, recommended: 200 °C
injection molding, Mold temperature, range: 60 - 120 °C
injection molding, Mold temperature, recommended: 90 °C
injection molding, Dwell time, thermoplastics: 10 min

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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