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Ensinger PEI

Quantum Composites QC-7753 50% Glass Fiber Reinforced Polyester SMC
Categories: Polymer; Thermoset; Composite SMC; Polyester, TS; Thermoset Polyester Glass SMC

Material Notes: QC-7753 is a polyester engineered structural composite molding compound that is designed for applications requiring high strength, fire retardant properties, and resistance to elevated temperatures. It offers fast molding cycles and good surface appearance.

  • Form = Rolls, Festooned Sheet
  • Color = Black, Gray
  • Glass Fiber Content = 63% nominal

A. Schulman has acquired Quantum Composites.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.74 g/cc1.74 g/ccASTM D792
Water Absorption 0.15 %0.15 %ASTM D570
Linear Mold Shrinkage 0.00050 cm/cm0.00050 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Barcol 5858ASTM D2583
Tensile Strength 220 MPa31900 psiASTM D638
Flexural Strength 400 MPa58000 psiASTM D790
Flexural Modulus 15.8 GPa2290 ksiASTM D790
Compressive Strength 172 MPa24900 psiASTM D695
Shear Modulus 4.50 GPa653 ksiASTM D4065
Izod Impact, Notched 16.0 J/cm30.0 ft-lb/inASTM D256
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air >= 260 °C>= 500 °FDeflection Temperature, Load not specified; ASTM D648
 
Processing PropertiesMetricEnglishComments
Processing Temperature 132 - 157 °C270 - 315 °FCompression Molding
Clamp Pressure 2.76 - 8.27 MPa400 - 1200 psi
Cure Time 1.25 min
@Thickness 1.52 mm,
Temperature 143 °C
0.0208 hour
@Thickness 0.0600 in,
Temperature 290 °F
Shelf Life 1.00 Month
@Temperature 23.9 °C
1.00 Month
@Temperature 75.0 °F
 
Descriptive Properties
Fiber Length (in)1Glass, nominal
FlammabilitySelf ExtinguishingISO 3795

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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