G-5 Fiberglass Melamine Laminate Sheet

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G-5 Fiberglass Melamine Laminate Sheet
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Melamine
Material Notes:	This material is very hard, flame resistant, and has excellent electrical properties. G-5 has high arc and heat resistance. It used for switch board panels, arc barriers, circuit breaker parts, and structural electrical parts Information provide by Boedeker Plastics.
Key Words:	G5 Fiber Reinforced Composite
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Physical Properties	Metric	English	Comments

Density	1.85 g/cc	0.0668 lb/in³	ASTM D792
Water Absorption	0.60 %	0.60 %	24 hrs.; ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	115	115	ASTM D785
Tensile Strength at Break	352 MPa	51100 psi	Crosswise; ASTM D638
	425 MPa	61600 psi	Lengthwise; ASTM D638
Flexural Strength	352 MPa	51100 psi	Crosswise; ASTM D790
	425 MPa	61600 psi	Lengthwise; ASTM D790
Flexural Modulus	11.7 GPa	1700 ksi	Crosswise; ASTM D790
	13.8 GPa	2000 ksi	Lengthwise; ASTM D790
Compressive Strength	448 MPa	65000 psi	ASTM D695
Izod Impact, Notched	4.54 J/cm	8.50 ft-lb/in	Crosswise; ASTM D256
	6.67 J/cm	12.5 ft-lb/in	Lengthwise; ASTM D256

Electrical Properties	Metric	English	Comments
Dielectric Constant	6.3 @Frequency 1e+6 Hz	6.3 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	11.8 kV/mm	300 kV/in	Short Time; 1/8 inch; ASTM D149
Dissipation Factor	0.019 @Frequency 1e+6 Hz	0.019 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	180 sec	180 sec	ASTM D495

Thermal Properties	Metric	English	Comments
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-K	2.00 BTU-in/hr-ft²-°F	ASTM C177
Maximum Service Temperature, Air	140 °C	284 °F
Flammability, UL94	V-0	V-0

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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