Quantum Composites QC-7752

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: CQkd6n_Quantum-Composites-QC-7752.pdf
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QC-7752 is a modified polyester sheet molding compound (SMC) that is designed for applications requiring high strength, good environmental resistance, 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
  • Good Surface Finish
  • Good Weather Resistance
  • High Heat Resistance
  • High Strength
Appearance
  • Black
  • Grey
  • Off-White
Forms
  • SMC - Sheet Molding Compound
Processing Method
  • Compression Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.85g/cm³ASTM D792
Molding Shrinkage - Flow 0.10%ASTM D955
Water Absorption (24 hr)0.15%ASTM D570
HardnessNominal ValueUnitTest Method
Barcol Hardness 58ASTM D2583
MechanicalNominal ValueUnitTest Method
Tensile Modulus 17900MPaASTM D638
Tensile Strength 193MPaASTM D638
Flexural Modulus 14500MPaASTM D790
Flexural Strength 310MPaASTM D790
Compressive Strength 172MPaASTM D695
ImpactNominal ValueUnitTest Method
Notched Izod Impact 1400J/mASTM D256
ThermosetNominal ValueUnit
Shelf Life (24°C)8.7wk
Demold Time (149°C)1.5min
Resin Grade Manufacturer Category Trademark
ReoFlex® 20 Smooth-On, Inc PUR, Unspecified ReoFlex®
Melos™ FM 1354/1 Melos GmbH EPM Melos™
Fixmaster Silicone Adhesive/Sealant Loctite® Silicone Fixmaster
Grilon® TSS/4 LF 2 EMS-GRIVORY Nylon 66/6 Grilon®
Huafon JF-D-NC8903 Huafon Group Co., Ltd. PUR, Unspecified Huafon