Overview of materials for Phenolic/Glass Fiber SMC

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Overview of materials for Phenolic/Glass Fiber SMC
Categories:	Polymer; Thermoset; Phenolic; Phenolic/Glass Fiber SMC
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Phenolic/Glass Fiber SMC". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Metric	English	Comments

Density	1.25 - 2.10 g/cc	0.0452 - 0.0759 lb/in³	Average value: 1.79 g/cc Grade Count:16
Water Absorption	0.0200 - 2.65 %	0.0200 - 2.65 %	Average value: 0.303 % Grade Count:11
Linear Mold Shrinkage	0.000600 - 0.00350 cm/cm	0.000600 - 0.00350 in/in	Average value: 0.00236 cm/cm Grade Count:10

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	83.0 - 110	83.0 - 110	Average value: 96.0 Grade Count:3
Tensile Strength, Ultimate	75.0 - 290 MPa	10900 - 42000 psi	Average value: 149 MPa Grade Count:16
Modulus of Elasticity	13.0 - 25.5 GPa	1890 - 3700 ksi	Average value: 19.0 GPa Grade Count:6
Flexural Yield Strength	131 - 400 MPa	19000 - 58000 psi	Average value: 222 MPa Grade Count:16
Flexural Modulus	9.00 - 24.0 GPa	1310 - 3480 ksi	Average value: 15.0 GPa Grade Count:10
Compressive Yield Strength	210 - 500 MPa	30500 - 72500 psi	Average value: 320 MPa Grade Count:12
Izod Impact, Notched	0.214 - 6.41 J/cm	0.401 - 12.0 ft-lb/in	Average value: 2.34 J/cm Grade Count:11

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+12 - 1.00e+13 ohm-cm	1.00e+12 - 1.00e+13 ohm-cm	Average value: 4.60e+12 ohm-cm Grade Count:5
Insulation Resistance	1.00e+6 - 1.00e+15 ohm	1.00e+6 - 1.00e+15 ohm	Average value: 2.50e+14 ohm Grade Count:4
Dielectric Constant	4.30 - 7.30	4.30 - 7.30	Average value: 5.10 Grade Count:9
Dielectric Strength	6.00 - 18.1 kV/mm	152 - 460 kV/in	Average value: 14.2 kV/mm Grade Count:9
	1.1811 - 10.0 kV/mm @Temperature 90.0 - 90.0 °C	30.000 - 254 kV/in @Temperature 194 - 194 °F	Average value: 5.59 kV/mm Grade Count:1
	1.1811 - 10.0 kV/mm @Thickness 3.00 - 3.00 mm	30.000 - 254 kV/in @Thickness 0.118 - 0.118 in	Average value: 5.59 kV/mm Grade Count:1
Dielectric Breakdown	>= 20000 V @Temperature 90.0 - 90.0 °C	>= 20000 V @Temperature 194 - 194 °F	Average value: 30000 V Grade Count:2
Dissipation Factor	0.0100 - 0.0300	0.0100 - 0.0300	Average value: 0.0237 Grade Count:8
Arc Resistance	50.0 - 185 sec	50.0 - 185 sec	Average value: 138 sec Grade Count:3
Comparative Tracking Index	100 - 200 V	100 - 200 V	Average value: 138 V Grade Count:4

Thermal Properties	Metric	English	Comments
CTE, linear	12.0 - 15.0 µm/m-°C	6.67 - 8.33 µin/in-°F	Average value: 13.8 µm/m-°C Grade Count:5
Thermal Conductivity	0.288 - 0.940 W/m-K	2.00 - 6.52 BTU-in/hr-ft²-°F	Average value: 0.529 W/m-K Grade Count:3
Maximum Service Temperature, Air	120 - 170 °C	248 - 338 °F	Average value: 148 °C Grade Count:3
Deflection Temperature at 1.8 MPa (264 psi)	170 - 282 °C	338 - 540 °F	Average value: 220 °C Grade Count:8
Flammability, UL94	HB - V-0	HB - V-0	Grade Count:8

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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O2744 / 78102

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