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Quantum Composites QPC-1977

Thermoset Polyester

Glass Fiber Reinforcement, 50%

Supplied by Quantum Composites Inc.

The technical datasheet with complete property values for Quantum Composites QPC-1977 is available to members of the Prospector Plastics Database.
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Product Description
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  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass Fiber Reinforcement, 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
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Molding Shrinkage - Flow
in/in
 ASTM D955
Water Absorption (24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
psi
 ASTM D638
Flexural Modulus
psi
 ASTM D790
Flexural Strength
psi
 ASTM D790
Compressive Strength
psi
 ASTM D695
Shear Modulus
psi
 ASTM D732
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Barcol Hardness
 
 ASTM D2583
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed)
°F
 ASTM D648
Thermoset
Nominal Value
Unit
Test Method
Shelf Life
      
40°F
wk
  
75°F
wk
  
Demold Time (290°F)
min
  
Related Terminology
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Features
Features may also be described by the following terms: High Strength, High Heat Resistance, Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle, Good Surface Finish.
Injection
Nominal Value
Unit
 
Mold Temperature
°F
  
Injection Pressure
psi
  
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.