Overview of materials for Melamine-Phenolic Copolymer

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Overview of materials for Melamine-Phenolic Copolymer
Categories:	Polymer; Thermoset; Melamine; Melamine-Phenolic Copolymer
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Melamine-Phenolic Copolymer". 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	Original Value	Comments

Density	1.50 - 1.81 g/cc	Average value: 1.64 g/cc Grade Count:22
Water Absorption	0.220 - 2.50 %	Average value: 1.18 % Grade Count:21
Linear Mold Shrinkage	0.00150 - 0.0130 cm/cm	Average value: 0.00744 cm/cm Grade Count:22

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	67.0 - 86.0	Average value: 75.8 Grade Count:11
Tensile Strength, Ultimate	53.0 - 76.0 MPa	Average value: 61.7 MPa Grade Count:12
Tensile Strength, Yield	40.0 - 90.0 MPa	Average value: 61.0 MPa Grade Count:10
Elongation at Break	0.470 - 0.950 %	Average value: 0.745 % Grade Count:11
Modulus of Elasticity	5.00 - 13.3 GPa	Average value: 8.92 GPa Grade Count:22
Flexural Yield Strength	70.0 - 140 MPa	Average value: 101 MPa Grade Count:22
Flexural Modulus	5.00 - 14.0 GPa	Average value: 9.00 GPa Grade Count:22
Compressive Yield Strength	142 - 250 MPa	Average value: 194 MPa Grade Count:22
Izod Impact, Notched	0.159 - 0.215 J/cm	Average value: 0.186 J/cm Grade Count:11
Charpy Impact Unnotched	0.450 - 1.40 J/cm²	Average value: 0.814 J/cm² Grade Count:11
	0.400 - 0.700 J/cm² @Temperature -40.0 - -40.0 °C	Average value: 0.550 J/cm² Grade Count:1
Charpy Impact, Notched	0.120 - 0.239 J/cm²	Average value: 0.180 J/cm² Grade Count:21

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+11 - 1.00e+14 ohm-cm	Average value: 1.63e+13 ohm-cm Grade Count:22
Surface Resistance	1.00e+10 - 1.00e+12 ohm	Average value: 1.04e+11 ohm Grade Count:11
Dielectric Constant	6.50 - 16.0	Average value: 9.35 Grade Count:22
Dielectric Strength	4.80 - 30.0 kV/mm	Average value: 12.3 kV/mm Grade Count:21
Dissipation Factor	0.0300 - 0.500	Average value: 0.160 Grade Count:22
Arc Resistance	115 - 188 sec	Average value: 172 sec Grade Count:14
Comparative Tracking Index	175 - 600 V	Average value: 519 V Grade Count:22

Thermal Properties	Original Value	Comments
CTE, linear	15.0 - 53.0 µm/m-°C @Temperature 40.0 - 130 °C	Average value: 29.6 µm/m-°C Grade Count:12
Thermal Conductivity	0.400 - 0.600 W/m-K	Average value: 0.470 W/m-K Grade Count:10
	0.510 - 0.610 W/m-K @Temperature 100 - 100 °C	Average value: 0.570 W/m-K Grade Count:4
Maximum Service Temperature, Air	135 - 190 °C	Average value: 150 °C Grade Count:22
Deflection Temperature at 1.8 MPa (264 psi)	155 - 202 °C	Average value: 178 °C Grade Count:21
Deflection Temperature at 8.0 MPa	110 - 140 °C	Average value: 123 °C Grade Count:11
Flammability, UL94	V-0 - 5VB	Grade Count:21
Oxygen Index	33.0 - 36.0 %	Average value: 34.2 % Grade Count:5

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 go back to viewing the property data in MatWeb's normal format.

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O2369a / 89073

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