Bakelite® PF 4136 Phenolic Molding Compound

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Bakelite® PF 4136 Phenolic Molding Compound
Categories:	Polymer; Thermoset; Phenolic; Phenolic, Novolac, Glass Filled
Material Notes:	Phenolic molding compound, inorganically filled, glass fiber reinforced, ammonia and acetic acid free, electrically high grade, high temperature stability, low shrinkage, high mechanical strength. Applications: Commutators in electric motors- ammonia free grade
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Physical Properties	Metric	English	Comments

Density	1.83 g/cc	0.0661 lb/in³	ISO 1183
Apparent Bulk Density	0.800 g/cc	0.0289 lb/in³	ISO 60
Linear Mold Shrinkage	0.0015 cm/cm	0.0015 in/in	Compression Molding. Post Shrinkage = 0.1%.; ISO 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength	70.0 MPa	10200 psi	ISO 527 - 1/2
Tensile Modulus	13.0 GPa	1890 ksi	ISO 527 - 1/2
Flexural Strength	135 MPa	19600 psi	ISO 178
Flexural Modulus	15.5 GPa	2250 ksi	ISO 178
Compressive Strength	170 MPa	24700 psi	ISO 604
Charpy Impact Unnotched	0.950 J/cm²	4.52 ft-lb/in²	ISO 179-1 eU
Charpy Impact, Notched	0.350 J/cm²	1.67 ft-lb/in²	ISO 179-1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+12 ohm-cm	1.00e+12 ohm-cm
Surface Resistance	1.00e+11 ohm	1.00e+11 ohm
Dielectric Constant	7.5 @Frequency 100 Hz	7.5 @Frequency 100 Hz
Dielectric Strength	30.5 kV/mm @Thickness 1.00 mm	775 kV/in @Thickness 0.0394 in	IEC 60243-P1
Dissipation Factor	0.050 @Frequency 100 Hz	0.050 @Frequency 100 Hz
Comparative Tracking Index	225 V	225 V

Thermal Properties	Metric	English	Comments
Deflection Temperature at 8.0 MPa	170 °C	338 °F	ISO 75-2

Descriptive Properties
Water absorption (mg)	10		24h / 23°C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PBAKE985 / 192347

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