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This is the free Material Data Center Datasheet of Bakelite® PF 7400 - PF-NF - Bakelite Synthetics

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Product Texts

Product description:

Phenolic moulding compound, organically filled, reinforced with cotton fibre flakes, high notched impact strength.

Application areas:

Mouldings for higher mechanical strain, e. g. power plugs high voltage, handles, knobs.

Property Name Value Unit Standard No.
Moulding shrinkage (injection moulding, longitudinal)  0.35 % ISO 2577
Post shrinkage (injection moulding, 168h/110°C) 0.4 % ISO 2577
Tensile strength (5mm/min) 35 MPa ISO 527-1/2
Compr. strength (test spec. flat tested) 250 MPa ISO 604
Flexural strength (2mm/min) 75 MPa ISO 178
Flexural modulus 7000 MPa ISO 178
Ball indentation hardness (H 961/30)260MPaISO 2039/P1
Water absorption (24h/23°C) 120 mg similar to ISO 62

Additional characteristics: high mechanical strength, preparation of test specimen only in compression moulding process


Preparation of Test Specimens of Thermosetting Moulding Compound

  • Compression to ISO 295
  • Injection to ISO 10724


Storage capability
2 years (relative humidity of 50-60% and maximum storage temperature of approximately 20°C)

Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Molding shrinkage, parallel 0.2 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 7000 MPa ISO 527
Charpy impact strength, +23°C 7.5 kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 8 kJ/m² ISO 179/1eA
Thermal propertiesValueUnitTest Standard
ISO Data
Temp. of deflection under load, 8.00 MPa 135 °C ISO 75-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 9 - IEC 62631-2-1
Dissipation factor, 100Hz 0.2 E-4 IEC 62631-2-1
Volume resistivity 1E9 Ohm*m IEC 62631-3-1
Surface resistivity 1E10 Ohm IEC 62631-3-2
Comparative tracking index 125 - IEC 60112
Other propertiesValueUnitTest Standard
Density 1370 kg/m³ ISO 1183
Test specimen productionValueUnitTest Standard
ISO Data
Injection Molding, injection temperature 115 °C ISO 10724
Injection Molding, injection velocity 170 mm/s ISO 10724
Injection Molding, hold pressure 100 MPa ISO 10724
Injection Molding, cure time 25 min ISO 10724
Compression Molding, mold temperature 160 °C ISO 295
Compression Molding, cure time 1 min ISO 295
Characteristics
Processing
Injection Molding, Transfer Molding
Regional Availability
Other text information
Injection molding
VERARBEITUNG 
Temperature of material: 80 - 100 °C
Mould temperature: 160 - 190 °C
Curing time: 10-20 sec
 
Further Information:
Barrel temperature
  - Feed zone: 60-75 °C
  - Nozzle zone: 80-100 °C
Cavity moulding pressure: >15 MPa
Back pressure: 0.5-2 MPa
Holding pressure: 60% of injection pressure
Compression molding
PROCESSING
Mould temperature:160-190°C
Curing time:20-40sec
Cavity moulding pressure: >15MPa
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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