Quantum Composites QC-8777

Category: Vinyl Ester , Vinyl Ester
Manufacturer: Quantum Composites Inc.
Trademark: Quantum Composites
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: sUAagl_Quantum-Composites-QC-8777.pdf
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QC-8777 is a low-density vinyl ester based sheet molding compound (SMC) designed for compression molding of components requiring high structural strength, corrosion resistance and temperature resistance combined with low molded density.
General Information
Filler / Reinforcement
  • Glass fiber reinforced material, 41% filler by weight
Features
  • High strength
  • Good corrosion resistance
  • Heat resistance, high
Appearance
  • Black
Forms
  • SMC-Sheet Molding Compound
Processing Method
  • Compression molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.30g/cm³ASTM D792
Molding Shrinkage - Flow -0.10%ASTM D955
Water Absorption (24 hr)0.13%ASTM D570
MechanicalNominal ValueUnitTest Method
Tensile Strength 105MPaASTM D638
Flexural Modulus 11400MPaASTM D790
Flexural Strength 234MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact 960J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (1.8 MPa, Unannealed)250°CASTM D648
ThermosetNominal ValueUnit
Shelf Life (24°C)4.3wk
Demold Time (149°C)3.0 - 5.0min
Additional Information
Water Absorption, 1000 hr, 50°C: 1.2%Flammability, FMVSS 302-75: Self Ext.
InjectionNominal ValueUnit
Mold Temperature 132 - 160°C
Injection Pressure 2.07 - 6.89MPa
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