Quantum Composites QC-8777 41% Glass Fiber Reinforced Polyester Hybrid SMC

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Quantum Composites QC-8777 41% Glass Fiber Reinforced Polyester Hybrid SMC
Categories:	Polymer; Thermoset; Composite SMC; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	QC-8777 is a polyester hybrid engineered structural composite molding compound designed for compression molding of components requiring high structural strength, corrosion resistance and temperature resistance combined with low molded density. Form = Rolls, Festooned Sheet Color = Black, Natural Glass Fiber Content = 41% nominal A. Schulman has acquired Quantum Composites.
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Physical Properties	Original Value	Comments

Specific Gravity	1.30 g/cc	ASTM D792
Water Absorption	0.13 %	ASTM D570
	1.2 % @Temperature 50.0 °C, Time 3.60e+6 sec	ASTM D570
Linear Mold Shrinkage	-0.00100 in/in	ASTM D955

Mechanical Properties	Original Value	Comments
Tensile Strength	105 MPa	ASTM D638
Flexural Strength	235 MPa	ASTM D790
Flexural Modulus	11.4 GPa	ASTM D790
Izod Impact, Notched	960 J/m	ASTM D256

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	>= 250 °C	Deflection Temperature, Load not specified; ASTM D648

Processing Properties	Original Value	Comments
Processing Temperature	270 - 320 °F @Thickness 12.7 mm	Compression Molding
Clamp Pressure	300 - 1000 psi
Cure Time	3.00 - 5.00 min @Thickness 6.35 mm, Temperature 149 °C
Shelf Life	1.00 Month @Temperature 23.9 °C

Descriptive Properties
Fiber Length (in)	1	Glass, nominal
Flammability	Self Extinguishing	FMVSS 302-75

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PCOQB903 / 139271

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