Bakelite® PF 1142 Phenolic Formaldehyde Resin, High Mechanical Strength

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Bakelite® PF 1142 Phenolic Formaldehyde Resin, High Mechanical Strength (discontinued **)
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic
Material Notes:	Phenolic molding compound, inorganically filled, glass fiber reinforced, high dimensional stability, good mechanical properties. Application areas: Insulating flanges, sealings, pulleys.
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Physical Properties	Original Value	Comments

Density	1.73 g/cc	ISO 1183
Apparent Bulk Density	0.810 g/cc	ISO 60
Linear Mold Shrinkage, Flow	0.00090 cm/cm	Compression molding; ISO 2577

Mechanical Properties	Original Value	Comments
Flexural Strength	120 MPa	2 mm/min; ISO 178
Compressive Strength	225 MPa	Test specimen flat tested; ISO 604
Charpy Impact Unnotched	0.900 J/cm² @Temperature 23.0 °C	ISO 179-1/2 eU
Charpy Impact, Notched	0.200 J/cm² @Temperature 23.0 °C	ISO 179-1/2 eA

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	150 °C	<20000 hours; IEC 60216-P1
	250 °C	< 50 hours; IEC 60216-P1
Deflection Temperature at 8.0 MPa	165 °C	ISO 75-2
Shrinkage	0.13 % @Temperature 110 °C	Compression molding; ISO 2577

Processing Properties	Original Value	Comments
Feed Temperature	60.0 - 75.0 °C	Injection molding
Nozzle Temperature	80.0 - 100 °C	Injection molding
Melt Temperature	80.0 - 100 °C	Injection molding
Mold Temperature	160 - 190 °C	Injection molding
	160 - 190 °C	Compression molding
Injection Pressure	>= 15.0 MPa	Compression and injection cavity mold pressure
Back Pressure	0.500 - 2.00 MPa	Injection molding
Cure Time	10.0 - 20.0 sec	Per 1 mm of wall thickness, injection molding
	20.0 - 40.0 sec	Per 1 mm of wall thickness, compression molding

Descriptive Properties
Chromatic Spectrum	All Colors
Creep Rupture Strength	Very Good
Holding Pressure	Approximately 40-60% of injection pressure
Media Resistance	Very Good
Reserves by Peak Temperature	Very High
Thermal Expansion	Very Slight

**
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