Quantum Composites QC-8700

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: AAo4pG_Quantum-Composites-QC-8700.pdf
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QC-8700 is a vinyl ester based sheet molding compound (SMC) designed for compression molding of components requiring high structural strength. It exhibits unusual toughness, and is suggested for applications subject to impacts and rough handling. QC-8700 is also suggested for applications requiring excellent fatigue resistance. It exhibits better temperature resistance than QC-8800.
General Information
Filler / Reinforcement
  • Glass Fiber, 63% Filler by Weight
Features
  • Fatigue Resistant
  • Good Impact Resistance
  • Good Toughness
  • High Heat Resistance
  • High Strength
Appearance
  • Black
Forms
  • SMC - Sheet Molding Compound
Processing Method
  • Compression Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.87g/cm³ASTM D792
Molding Shrinkage - Flow 0.10%ASTM D955
Water Absorption (24 hr)0.080%ASTM D570
HardnessNominal ValueUnitTest Method
Barcol Hardness 68ASTM D2583
MechanicalNominal ValueUnitTest Method
Tensile Modulus 26900MPaASTM D638
Tensile Strength 359MPaASTM D638
Flexural Modulus 20700MPaASTM D790
Flexural Strength 634MPaASTM D790
Poisson's Ratio 0.38ASTM E132
ImpactNominal ValueUnitTest Method
Notched Izod Impact 1800J/mASTM D256
ThermosetNominal ValueUnit
Shelf Life (21°C)8.7wk
Demold Time (138°C)3.0 to 5.0min
InjectionNominal ValueUnit
Mold Temperature 132 to 149°C
Injection Pressure 2.07 to 6.89MPa
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