Owens Corning Glass Fiber Reinforced Polyester SMC (Compression), 22 wt.% glass

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Owens Corning Glass Fiber Reinforced Polyester SMC (Compression), 22 wt.% glass
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	Polyester thermosets are available in many formulations. They can be formulated for good to excellent resistance to acids, weak alkalis, and organic solvents. However, they are not recommended for use with strong alkalis. Data provided by the manufacturer, Owens Corning.
Key Words:	thermoset, sheet molding compound, fiber glass, fiberglass, fibreglass, fibre glass, FRP composites
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Physical Properties	Metric	English	Comments

Density	1.82 g/cc	0.0658 lb/in³	ASTM D792
Water Absorption	0.20 %	0.20 %	24 hrs.; ASTM D570
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	68	68
Tensile Strength, Ultimate	40.0 MPa	5800 psi	ASTM D638
Elongation at Break	0.50 %	0.50 %	ASTM D638
Modulus of Elasticity	12.1 GPa	1750 ksi	ASTM D638
Flexural Strength	88.3 MPa	12800 psi	ASTM D790
Flexural Modulus	10.9 GPa	1580 ksi	ASTM D790
Compressive Strength	140 MPa	20300 psi	ASTM D695
Izod Impact, Notched	2.27 J/cm	4.25 ft-lb/in

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.70e+15 ohm-cm	2.70e+15 ohm-cm	ASTM D257
Dielectric Constant	4.2 @Frequency 60 Hz	4.2 @Frequency 60 Hz	ASTM D150
Dielectric Strength	14.8 kV/mm	375 kV/in	ASTM D149
Arc Resistance	190 sec	190 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear	11.9 µm/m-°C @Temperature 20.0 °C	6.60 µin/in-°F @Temperature 68.0 °F	ASTM D696
Specific Heat Capacity	1.26 J/g-°C	0.300 BTU/lb-°F
Thermal Conductivity	0.697 W/m-K	4.84 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 1.8 MPa (264 psi)	260 °C	500 °F	ASTM D648
Flammability, UL94	V-0	V-0	5V

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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