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Ensinger PEI

Vyncolit 2950 W Novolac Phenolic
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Mineral/Glass Filled
Material Notes: Mineral and glass fiber filled phenolic molding compound with a very high strain to failure in flexure. UL listed.

USES: Armature insulation.

Information provided by Vyncolit, a Sumitomo Bakelite Group
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Bulk Density 0.600 - 0.750 g/cc0.0217 - 0.0271 lb/in³Powder Density; ISO 60
Density 1.70 g/cc0.0614 lb/in³Relative Density; ISO 1183
Linear Mold Shrinkage 0.0015 - 0.0025 cm/cm0.0015 - 0.0025 in/inInjection Molding; ISO 2577
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 65.0 - 75.0 MPa9430 - 10900 psiISO 527
Elongation at Break 1.05 - 1.15 %1.05 - 1.15 %Tensile; ISO 527
Tensile Modulus 9.50 - 11.5 GPa1380 - 1670 ksiISO 527
Flexural Strength 140 - 160 MPa20300 - 23200 psiAt Rupture; ISO 178
Flexural Modulus 7.50 - 9.00 GPa1090 - 1310 ksiISO 178
Flexural Strain at Break 1.6 - 1.8 %1.6 - 1.8 %ISO 178
Compressive Strength 190 - 220 MPa27600 - 31900 psiISO 604
Charpy Impact Unnotched 1.30 - 1.50 J/cm²6.19 - 7.14 ft-lb/in²ISO 179
Charpy Impact, Notched 0.450 - 0.550 J/cm²2.14 - 2.62 ft-lb/in²ISO 179
 
Electrical PropertiesMetricEnglishComments
Insulation Resistance 1.00e+11 - 1.00e+13 ohm1.00e+11 - 1.00e+13 ohmDry; IEC 167
Dielectric Strength 35.0 kV/mm889 kV/inIEC 243
Comparative Tracking Index 175 V175 VIEC 112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 20.0 - 30.0 µm/m-°C
@Temperature 20.0 °C		11.1 - 16.7 µin/in-°F
@Temperature 68.0 °F		TMA
CTE, linear, Transverse to Flow 30.0 - 40.0 µm/m-°C
@Temperature 20.0 °C		16.7 - 22.2 µin/in-°F
@Temperature 68.0 °F		TMA
Deflection Temperature at 1.8 MPa (264 psi) 170 - 190 °C338 - 374 °FISO 75 Af
Deflection Temperature at 8.0 MPa 150 - 170 °C302 - 338 °FISO 75 C
Flammability, UL94  HB
@Thickness 1.60 mm		HB
@Thickness 0.0630 in
 V-0
@Thickness 4.00 mm		V-0
@Thickness 0.157 in
Shrinkage 0.10 - 0.20 %0.10 - 0.20 %Post Shrinkage; ISO 2577
 
Descriptive Properties
ColorBlack
ISO typePF 2 C3
Main FillerGlass Fiber & Mineral
Molding MethodCompression, transfer, injection

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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