Lytex 4149

Category: Epoxy , Epoxy; Epoxide
Manufacturer: Quantum Composites Inc.
Trademark: Lytex
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: dlDSGD_Lytex-4149.pdf
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Lytex 4149 is a high-performance, 3K tow carbon fiber (PAN) reinforced epoxy sheet molding compound designed for military and aerospace structural applications requiring excellent mechanical properties, retention of properties at elevated temperatures, good chemical resistance, and low density.
General Information
Filler / Reinforcement
  • Carbon fiber reinforced material, 55% filler by weight
Features
  • Conductivity
  • Good chemical resistance
Appearance
  • Black
Forms
  • SMC-Sheet Molding Compound
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.45g/cm³ASTM D792
Apparent Density 1.45g/cm³ASTM D1895
Molding Shrinkage - Flow 0.0%ASTM D955
MechanicalNominal ValueUnitTest Method
Tensile Modulus 55200MPaASTM D638
Tensile Strength 290MPaASTM D638
Tensile Elongation (Break)0.49%ASTM D638
Flexural Modulus 34500MPaASTM D790
Flexural Strength 614MPaASTM D790
Compressive Modulus 31700MPaASTM D695
Compressive Strength 276MPaASTM D695
Shear Modulus 11000MPaASTM D732
Shear Strength 207MPaASTM D732
ImpactNominal ValueUnitTest Method
Notched Izod Impact 960J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (1.8 MPa, Unannealed)302°CASTM D648
Continuous Use Temperature 177°CASTM D794
CLTE - Flow 3.6E-6cm/cm/°CASTM D696
Thermal Conductivity 0.47W/m/KASTM C177
ThermosetNominal ValueUnit
Shelf Life (-12°C)26wk
Demold Time (138°C)5.0 - 10min
Additional Information
The values reported as Shear Modulus, ASTM D732, and Shear Strength, ASTM D732, were tested in accordance with ASTM D5379.The values reported as Shear Modulus and Shear Strength were tested in-plane.Shear Modulus, ASTM D5379, interlaminar: 420,000 psiShear Strength, ASTM D5379, interlaminar: 9,500 psi
InjectionNominal ValueUnit
Mold Temperature 129 - 166°C
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