Quantum Composites QC-8850 43% Glass Fiber Reinforced Polyester Hybrid SMC

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Quantum Composites QC-8850 43% Glass Fiber Reinforced Polyester Hybrid SMC
Categories:	Polymer; Thermoset; Composite SMC; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	QC-8850 is a polyester hybrid engineered structural composite molding compound designed for compression molding of components requiring high structural strength. It exhibits unusual toughness, and excellent stiffness, and is suggested for applications subject to impacts and rough handling. Form = Rolled Sheet Color = Safety Colors, Black Glass Fiber Content = 43% nominal A. Schulman has acquired Quantum Composites.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.70 g/cc	1.70 g/cc	ASTM D792
Linear Mold Shrinkage	0.00 cm/cm	0.00 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength	234 MPa	33900 psi	ASTM D638
Flexural Strength	406 MPa	58900 psi	ASTM D790
Flexural Modulus	13.7 GPa	1990 ksi	ASTM D790
Izod Impact, Notched	16.02 J/cm	30.01 ft-lb/in	ASTM D256

Processing Properties	Metric	English	Comments
Processing Temperature	132 - 149 °C @Thickness 12.7 mm	270 - 300 °F @Thickness 0.500 in	Compression Molding
Clamp Pressure	2.07 - 6.89 MPa	300 - 1000 psi
Cure Time	3.00 - 5.00 min @Thickness 6.35 mm, Temperature 138 °C	0.0500 - 0.0833 hour @Thickness 0.250 in, Temperature 280 °F
Shelf Life	2.00 Month @Temperature 23.9 °C	2.00 Month @Temperature 75.0 °F

Descriptive Properties
Fiber Length (in)	1		Glass, nominal

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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PCOQB905 / 139273

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