Quantum Composites QC-8800 63% Glass Fiber Vinyl Ester SMC

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Quantum Composites QC-8800 63% Glass Fiber Vinyl Ester SMC
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset; Vinyl Ester; Vinyl Ester Sheet Molding Compound
Material Notes:	QC-8800 is a vinyl ester-based sheet molding compound (SMC) designed for compression molding of components requiring high structural strength. It exhibits unusual toughness, and is suggested for applications subject to impacts and rough handling. QC-8800 is also suggested for applications requiring excellent fatigue resistance. Form and Color = Rolled sheet, Black. Glass Fiber Length = 1 inch. A. Schulman has acquired Quantum Composites.
Key Words:	Sheet Molding Compound
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Physical Properties	Metric	English	Comments

Density	1.90 g/cc	0.0686 lb/in³	ASTM D792
Water Absorption	0.10 %	0.10 %	24 Hrs. ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	70	70	ASTM D2583
Tensile Strength, Ultimate	344 MPa	49900 psi	ASTM D638
Tensile Modulus	26.1 GPa	3790 ksi	ASTM D638
Flexural Yield Strength	585 MPa	84800 psi	ASTM D790
Flexural Modulus	20.6 GPa	2990 ksi	ASTM D790
Compressive Yield Strength	289 MPa	41900 psi	ASTM D695
Compressive Modulus	18.6 GPa	2700 ksi	ASTM D695
Izod Impact, Notched	19.2 J/cm	36.0 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1.00e+12 ohm-cm	>= 1.00e+12 ohm-cm	ASTM D257
Dielectric Strength	12.0 kV/mm	305 kV/in	ASTM D149
Arc Resistance	129 sec	129 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear	15.5 µm/m-°C @Temperature 20.0 °C	8.61 µin/in-°F @Temperature 68.0 °F	TMA
Maximum Service Temperature, Air	260 °C	500 °F	Deflection Temp; Load not reported; ASTM D648
Shrinkage	0.00 %	0.00 %

Processing Properties	Metric	English	Comments
Processing Temperature	132 - 149 °C	270 - 300 °F	Mold temperature
Shelf Life	2.00 Month @Temperature 23.9 °C	2.00 Month @Temperature 75.0 °F

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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PCOQCA / 29047

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