Overview of materials for Epoxy, Cast, Unreinforced

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Overview of materials for Epoxy, Cast, Unreinforced
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Cast, Unreinforced
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Epoxy, Cast, Unreinforced". 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.
Vendors:	Master Bond is a leading manufacturer of high performance epoxy adhesives, sealants, coatings, potting/encapsulation compounds and impregnation resins. Our epoxies include one and two part formulations that can be cured at room temperature, with heat or exposure to UV light. Special formulations feature high electrical and/or thermal conductivity and wide service temperature ranges. Visit www.masterbond.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	0.490 - 1.80 g/cc	0.0177 - 0.0649 lb/in³	Average value: 1.19 g/cc Grade Count:34
Water Absorption	0.100 - 3.90 %	0.100 - 3.90 %	Average value: 0.474 % Grade Count:20
Viscosity	200 - 180000 cP	200 - 180000 cP	Average value: 17100 cP Grade Count:48
	46.0 - 1500 cP @Temperature 65.0 - 100 °C	46.0 - 1500 cP @Temperature 149 - 212 °F	Average value: 632 cP Grade Count:8
Linear Mold Shrinkage	0.00100 - 0.00700 cm/cm	0.00100 - 0.00700 in/in	Average value: 0.00189 cm/cm Grade Count:9

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	87.0 - 93.0	87.0 - 93.0	Average value: 91.0 Grade Count:6
Hardness, Rockwell M	85.0 - 121	85.0 - 121	Average value: 100 Grade Count:6
Hardness, Shore D	6.00 - 90.0	6.00 - 90.0	Average value: 65.1 Grade Count:40
	>= 70.0 @Temperature 120 - 120 °C	>= 70.0 @Temperature 248 - 248 °F	Average value: 70.0 Grade Count:6
Tensile Strength, Ultimate	7.58 - 179 MPa	1100 - 26000 psi	Average value: 51.9 MPa Grade Count:54
Elongation at Break	0.420 - 140 %	0.420 - 140 %	Average value: 14.6 % Grade Count:45
Modulus of Elasticity	0.827 - 10.4 GPa	120 - 1500 ksi	Average value: 5.63 GPa Grade Count:16
Flexural Yield Strength	13.8 - 207 MPa	2000 - 30000 psi	Average value: 79.6 MPa Grade Count:36
Flexural Modulus	0.0138 - 5.34 GPa	2.00 - 775 ksi	Average value: 3.15 GPa Grade Count:16
Compressive Yield Strength	13.8 - 279 MPa	2000 - 40500 psi	Average value: 108 MPa Grade Count:37
Compressive Modulus	0.629 - 3.34 GPa	91.3 - 485 ksi	Average value: 1.22 GPa Grade Count:7
Izod Impact, Notched	0.246 - 1.13 J/cm	0.460 - 2.12 ft-lb/in	Average value: 0.430 J/cm Grade Count:9

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+12 - 9.00e+16 ohm-cm	1.00e+12 - 9.00e+16 ohm-cm	Average value: 7.25e+15 ohm-cm Grade Count:32
	1.00e+8 - 1.00e+15 ohm-cm @Temperature 66.0 - 130 °C	1.00e+8 - 1.00e+15 ohm-cm @Temperature 151 - 266 °F	Average value: 7.80e+13 ohm-cm Grade Count:7
Surface Resistance	5.42e+11 - 7.85e+15 ohm	5.42e+11 - 7.85e+15 ohm	Average value: 2.41e+15 ohm Grade Count:11
Dielectric Constant	2.80 - 5.30	2.80 - 5.30	Average value: 3.87 Grade Count:28
	2.66 - 5.60 @Temperature 100 - 150 °C	2.66 - 5.60 @Temperature 212 - 302 °F	Average value: 4.06 Grade Count:12
	2.66 - 5.60 @Frequency 60.0 - 1000 Hz	2.66 - 5.60 @Frequency 60.0 - 1000 Hz	Average value: 4.06 Grade Count:12
Dielectric Strength	11.8 - 21.7 kV/mm	300 - 550 kV/in	Average value: 16.0 kV/mm Grade Count:23
Dissipation Factor	0.00500 - 0.0550	0.00500 - 0.0550	Average value: 0.0218 Grade Count:18
	0.00700 - 0.142 @Temperature 100 - 150 °C	0.00700 - 0.142 @Temperature 212 - 302 °F	Average value: 0.0580 Grade Count:11
	0.00700 - 0.142 @Frequency 60.0 - 60.0 Hz	0.00700 - 0.142 @Frequency 60.0 - 60.0 Hz	Average value: 0.0580 Grade Count:11
Arc Resistance	150 sec	150 sec	Average value: 150 sec Grade Count:6

Thermal Properties	Metric	English	Comments
CTE, linear	33.0 - 65.0 µm/m-°C	18.3 - 36.1 µin/in-°F	Average value: 39.8 µm/m-°C Grade Count:7
Thermal Conductivity	0.167 - 0.795 W/m-K	1.16 - 5.52 BTU-in/hr-ft²-°F	Average value: 0.468 W/m-K Grade Count:19
Maximum Service Temperature, Air	45.0 - 300 °C	113 - 572 °F	Average value: 115 °C Grade Count:52

Optical Properties	Metric	English	Comments
Transmission, Visible	90.0 %	90.0 %	Average value: 90.0 % Grade Count:11

Processing Properties	Metric	English	Comments
Cure Time	40.0 - 30200 min	0.667 - 504 hour	Average value: 2260 min Grade Count:17
	20.0 - 3600 min @Temperature 50.0 - 180 °C	0.333 - 60.0 hour @Temperature 122 - 356 °F	Average value: 204 min Grade Count:33
Pot Life	15.0 - 4320 min	15.0 - 4320 min	Average value: 349 min Grade Count:63
	16.0 - 420 min @Temperature 60.0 - 100 °C	16.0 - 420 min @Temperature 140 - 212 °F	Average value: 93.8 min Grade Count:20

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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