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Ensinger PEI

G-3 Fiberglass Phenolic Laminate Sheet
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic/Glass Fiber SMC

Material Notes: This material is made from woven glass cloth and high-temperature phenolic resin. It has excellent flexural, compressive and impact strengths.

Physical strength, resiliency, ease and versatility of fabrication, and excellent electrical properties make phenolic laminates useful as support components in a wide range of mechanical and electrical applications. Phenolic laminates are strong, stiff, and have high impact and compressive strengths. They do not soften upon re-heating, so they are easy to saw, drill, tap, and machine with ordinary tools. Glass-based grades have the highest dimensional stability and mechanical strength, as well as low moisture absorption. However, they are not as easily machined as paper or cotton fabric laminates.

Information provide by Boedeker Plastics.

Key Words: G3 Fiber Reinforced Composite
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
Density 1.80 g/cc0.0650 lb/in³ASTM D792
Water Absorption 2.65 %2.65 %24 hrs.; ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 110110ASTM D785
Tensile Strength at Break 234 MPa34000 psiCrosswise; ASTM D638
 290 MPa42000 psiLengthwise; ASTM D638
Flexural Strength 234 MPa34000 psiCrosswise; ASTM D790
 279 MPa40500 psiLengthwise; ASTM D790
Flexural Modulus 9.65 GPa1400 ksiCrosswise; ASTM D790
 12.4 GPa1800 ksiLengthwise; ASTM D790
Compressive Strength 379 MPa55000 psiASTM D695
Izod Impact, Notched 5.87 J/cm11.0 ft-lb/inCrosswise; ASTM D256
 6.41 J/cm12.0 ft-lb/inLengthwise; ASTM D256
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 7.3
@Frequency 1e+6 Hz
7.3
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 18.1 kV/mm460 kV/inShort Time; 1/8 inch; ASTM D149
Dissipation Factor 0.023
@Frequency 1e+6 Hz
0.023
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 180 sec180 secASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear 14.9 µm/m-°C
@Temperature 20.0 °C
8.30 µin/in-°F
@Temperature 68.0 °F
Lengthwise; ASTM D696
CTE, linear, Transverse to Flow 18.0 µm/m-°C
@Temperature 20.0 °C
10.0 µin/in-°F
@Temperature 68.0 °F
Crosswise; ASTM D696
Thermal Conductivity 0.288 W/m-K2.00 BTU-in/hr-ft²-°FASTM C177
Maximum Service Temperature, Air 170 °C338 °F
Flammability, UL94 HBHB

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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