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This is the free Material Data Center Datasheet of Bakelite® PF 4285 - PF-(GF+X) - Bakelite Synthetics

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Other properties - Test specimen production
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Product Texts

Product description:

Phenolic moulding compound, inorganically filled, glass fibre reinforced, very good media and temperature resistance.

Application areas:

Commutators: wind screen wipers, adjustment motors, starter motors, ABS-systems, vaccuum cleaners, powertools.

Property Name Value Unit Standard No.
Apparent density (moulding compound) 0.65 g/cm³ ISO 60
Moulding shrinkage (injection moulding, longitudinal)  0.03 % ISO 2577
Post shrinkage (injection moulding, 168h/110°C) 0.03 % ISO 2577
Tensile strength (5mm/min) 120 MPa ISO 527-1/2
Compr. strength (test spec. flat tested) 250 MPa ISO 604
Flexural strength (2mm/min) 170 MPa ISO 178
Flexural modulus 19000 MPa ISO 178
Ball indentation hardness (H 961/30) 400 MPa ISO 2039/P1
Water absorption (24h/23°C) 10 mg similar to ISO 62

Preparation of Test Specimens of Thermosetting Moulding Compound

  • Compression to ISO 295
  • Injection to ISO 10724


Storage capability
2 years (10 month at max. 30°C), (relative humidity of 50-60% and maximum storage temperature of approximately 20°C)

Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Molding shrinkage, parallel 0 % ISO 294-4, 2577
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 17000 MPa ISO 527
Charpy impact strength, +23°C 9.5 kJ/m² ISO 179/1eU
Thermal propertiesValueUnitTest Standard
ISO Data
Temp. of deflection under load, 8.00 MPa 175 °C ISO 75-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 6 - IEC 62631-2-1
Dissipation factor, 100Hz 0.05 E-4 IEC 62631-2-1
Volume resistivity 1E10 Ohm*m IEC 62631-3-1
Surface resistivity 1E11 Ohm IEC 62631-3-2
Electric strength 30 kV/mm IEC 60243-1
Comparative tracking index 175 - IEC 60112
Other propertiesValueUnitTest Standard
Density 1900 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
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Other text information
Injection molding
VERARBEITUNG 
Temperature of material: 105 - 115 °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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