Quantum Composites QPC-1977

Category: Polyester, TS , Thermoset Polyester
Manufacturer: Quantum Composites Inc.
Trademark: Quantum Composites
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: lVDUdO_Quantum-Composites-QPC-1977.pdf
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QPC-1977 is a modified polyester sheet molding compound (SMC) that is designed for applications requiring high strength, fire retardance, and resistance to elevated temperatures. It offers fast molding cycles and good surface appearance.
General Information
Filler / Reinforcement
  • Glass Fiber, 50% Filler by Weight
Features
  • Fast Molding Cycle
  • Flame Retardant
  • Good Surface Finish
  • High Heat Resistance
  • High Strength
Appearance
  • Grey
Forms
  • SMC - Sheet Molding Compound
Processing Method
  • Compression Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.74g/cm³ASTM D792
Molding Shrinkage - Flow 0.050%ASTM D955
Water Absorption (24 hr)0.15%ASTM D570
HardnessNominal ValueUnitTest Method
Barcol Hardness 58ASTM D2583
MechanicalNominal ValueUnitTest Method
Tensile Strength 221MPaASTM D638
Flexural Modulus 15900MPaASTM D790
Flexural Strength 400MPaASTM D790
Compressive Strength 172MPaASTM D695
Shear Modulus 4480MPaASTM D732
ImpactNominal ValueUnitTest Method
Notched Izod Impact 1600J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (1.8 MPa, Unannealed)127°CASTM D648
ThermosetNominal ValueUnit
Shelf Life
    4°C 26wk
    24°C 4.3wk
Demold Time (143°C)1.3min
InjectionNominal ValueUnit
Mold Temperature 132 to 157°C
Injection Pressure 2.76 to 8.27MPa
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