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Hytrel® G4078W

THERMOPLASTIC POLYESTER ELASTOMER

Supplied by DuPont Performance Polymers

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Product Description
Hytrel® G4078W is a low modulus grade with nominal hardness of 40D. It contains non-discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Additive 
  • Antioxidant
  • Heat Stabilizer
  
Features 
  • Block Copolymer
  • General Purpose
  • Good Color Stability
  • Heat Stabilized
  • Low Hardness
Uses 
  • Cable Jacketing
  • Cast Film
  • Coating Applications
  • Filaments
  • Film
  • Foam
  • Hose
  • Sheet
  • Sporting Goods
  • Tubing
  • Wire & Cable Applications
RoHS Compliance 
Appearance 
  • Light Beige
Processing Method 
  • Blown Film
  • Cast Film
  • Casting
  • Extrusion
  • Extrusion Blow Molding
  • Extrusion Coating
  • Filament Extrusion
  • Foam Processing
  • Injection Blow Molding
  • Multi Injection Molding
  • Profile Extrusion
  • Sheet Extrusion
Part Marking Code (ISO 11469)
  • >TPC-ET<
Resin ID (ISO 1043)
  • TPC-ET
Physical
Nominal Value
Unit
Test Method
Specific Gravity
      
--
 
 ASTM D792
--
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)
g/10 min
 ASTM D1238, ISO 1133
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)
in³/10min
 ISO 1133
Molding Shrinkage
      
Flow
in/in
 ASTM D955
Across Flow: 0.0787 in
%
 ISO 294-4
Flow: 0.0787 in
%
 ISO 294-4
Water Absorption
      
73°F, 24 hr
%
 ASTM D570
73°F, 24 hr
%
 ISO 62
Saturation, 73°F
%
 ISO 62
Equilibrium, 73°F, 50% RH
%
 ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
 ISO 527-2
Tensile Strength
      
Break, 73°F
psi
 ASTM D638, ISO 527-2/1BA
5.0% Strain, 73°F
psi
 ASTM D638
10% Strain, 73°F
psi
 ASTM D638
Tensile Stress
     ISO 527-2/1BA
10% Strain: 73°F
psi
  
5% Strain: 73°F
psi
  
Tensile Elongation
      
Break, 73°F
%
 ASTM D638
Break, 73°F
%
 ISO 527-2/1BA
Nominal Tensile Strain at Break (73°F)
%
 ISO 527-2/1BA
Flexural Modulus
      
-40°F
psi
 ASTM D790
73°F
psi
 ASTM D790
212°F
psi
 ASTM D790, ISO 178
-40°F
psi
 ISO 178
73°F
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
     ISO 179/1eA
-22°F
 
  
73°F
 
  
Charpy Unnotched Impact Strength
     ISO 179/1eU
-22°F
 
  
73°F
 
  
Notched Izod Impact
      
-40°F
ft·lb/in
 ASTM D256
73°F
 
 ASTM D256, ISO 180/1A
-40°F
 
 ISO 180/1A
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness
      
Shore D
 
 ASTM D2240, ISO 868
Shore D, 15 sec
 
 ISO 868
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (66 psi, Unannealed)
°F
 ASTM D648
Brittleness Temperature
°F
 ISO 974
Glass Transition Temperature
°F
 ISO 11357-2
Melting Temperature 2
°F
 ISO 11357-3, ASTM D3418
CLTE
      
Flow: -40 to 73°F
in/in/°F
 ASTM E831, ISO 11359-2
Flow: 73 to 131°F
in/in/°F
 ASTM E831
Flow: 131 to 248°F
in/in/°F
 ASTM E831, ISO 11359-2
Flow: 73 to 131°F
in/in/°F
 ISO 11359-2
Transverse: -40 to 73°F
in/in/°F
 ASTM E831, ISO 11359-2
Transverse: 73 to 131°F
in/in/°F
 ASTM E831, ISO 11359-2
Transverse: 131 to 248°F
in/in/°F
 ASTM E831, ISO 11359-2
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
 IEC 60093
Volume Resistivity
ohm·cm
 IEC 60093
Relative Permittivity
     IEC 60250
100 Hz
 
  
1 MHz
 
  
Dissipation Factor
     IEC 60250
73°F, 100 Hz
 
  
73°F, 1 MHz
 
  
Comparative Tracking Index
V
 IEC 60112
Electric Strength (73°F)
V/mil
 IEC 60243-1
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0591 in
 
  
0.118 in
 
  
Flammability Classification
     IEC 60695-11-10, -20
0.0591 in
 
  
0.118 in
 
  
Oxygen Index
%
 ISO 4589-2
UL
Nominal Value
Unit
Test Method
RTI Str
     UL 746
0.0591 in
°F
  
0.118 in
°F
  
RTI Imp
     UL 746
0.0591 in
°F
  
0.118 in
°F
  
RTI Elec
     UL 746
0.0591 in
°F
  
0.118 in
°F
  
Comparative Tracking Index (CTI) (0.118 in)
V
 UL 746
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Hytrel® G4078W, Hytrel G4078W, Hytrel® , Hytrel, HytrelG4078W, G 4078 W, G4078W, G4078, 4078W, Thermoplastic Copolyester Elastomer, TPC-ET, TPCET, TPC:ET, TPC/ET, TPC+ET, TPC_ET, TPC ET, Thermoplastic Elastomer, TPE, DuPont, ThermoplasticCopolyesterElastomer, ThermoplasticElastomer, 4078G
Features
Features may also be described by the following terms: Good Color Stability, Block Copolymer, Low Hardness, Heat Stabilized, Heat-ageing Stabilized, Heat Ageing Stabilized, Heat-aging Stabilized, Heat Aging Stabilized.
Uses
Uses may also be described by the following terms: Cast Film, Tubing, Tube, Wire and Cable Applications, Wire & Cable Applications.
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Suggested Max Moisture
%
  
Melt Temperature, Optimum - Injection Molding
°F
  
Mold Temperature
°F
  
Mold Temperature, Optimum - Injection Molding
°F
  
Drying Recommended
 
  
Extrusion
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Suggested Max Moisture
%
  
Extrusion Melt Temperature, Optimum
°F
  
Notes
1Typical properties: these are not to be construed as specifications.
210°C/min
 
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.