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Hytrel® 3078

THERMOPLASTIC POLYESTER ELASTOMER

Supplied by DuPont Performance Polymers

The technical datasheet with complete property values for Hytrel® 3078 is available to members of the Prospector Plastics Database.
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Product Description
Hytrel® 3078 is a very low modulus grade, with nominal hardness of 30D. 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 
  • Foamable
  • Food Contact Acceptable
  • Good Color Stability
  • Heat Stabilized
  • High Energy Absorption
  • Low Hardness
  • Low Temperature Flexibility
  • Low Temperature Impact Resistance
  • Noise Damping
  • Resilient
Uses 
  • 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
Multi-Point Data 
  • Isothermal Stress vs. Strain (ISO 11403-1)
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
    ISO 294-4
Across Flow: 0.0787 in
%
 
Flow: 0.0787 in
%
 
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 Strength
     
Break, 73°F
psi
ASTM D638
Break, 73°F
psi
ISO 527-2/1BA
5.0% Strain, 73°F
psi
ASTM D638
10% Strain, 73°F
psi
ASTM D638
50% Strain, 73°F
psi
ISO 527-2/1BA
Tensile Stress - 10% Strain (73°F)
psi
ISO 527-2/1BA
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
-40°F
 
 
-22°F
 
 
73°F
 
 
Charpy Unnotched Impact Strength
    ISO 179/1eU
-22°F
 
 
73°F
 
 
Notched Izod Impact
    ASTM D256, ISO 180/1A
-40°F
 
 
73°F
 
 
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore D)
 
ASTM D2240, 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
--
°F
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: 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
Transverse: 73 to 131°F
in/in/°F
ISO 11359-2
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
IEC 60093
Volume Resistivity
ohm·cm
IEC 60093
Relative Permittivity
    IEC 60250
73°F, 100 Hz
 
 
73°F, 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® 3078, Hytrel 3078, Hytrel® , Hytrel, Hytrel3078, 3078, Thermoplastic Copolyester Elastomer, TPC-ET, TPCET, TPC:ET, TPC/ET, TPC+ET, TPC_ET, TPC ET, Thermoplastic Elastomer, TPE, DuPont, ThermoplasticCopolyesterElastomer, ThermoplasticElastomer
Features
Features may also be described by the following terms: Heat Stabilized, Heat-ageing Stabilized, Heat Ageing Stabilized, Heat-aging Stabilized, Heat Aging Stabilized, Low Temperatuer Impact Resistance, Low Temp Impact Resistance, Low Hardness, Low Temperature Flexibility, High Energy Absorption, Good Color Stability.
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.