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Hytrel® 4056

THERMOPLASTIC POLYESTER ELASTOMER

Supplied by DuPont Performance Polymers

The technical datasheet with complete property values for Hytrel® 4056 is available to members of the Prospector Plastics Database.
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Product Description
Hytrel® 4056 is a low modulus Hytrel® grade with nominal durometer hardness of 40D. It contains a non-discoloring stabilizer. It is recommended for extrusion and compounding.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Additive 
  • Antioxidant
  • Heat Stabilizer
 
Features 
  • Barrier Resin
  • Food Contact Acceptable
  • Good Adhesion
  • Good Creep Resistance
  • Heat Stabilized
  • High Energy Absorption
  • Low Hardness
  • Low Temperature Flexibility
  • Low Temperature Impact Resistance
  • Noise Damping
  • Resilient
Uses 
  • Adhesives
  • Cable Jacketing
  • Cast Film
  • Coating Applications
  • Compounding
  • Filaments
  • Film
  • Hose
  • Sheet
  • Tubing
  • Wire & Cable Applications
RoHS Compliance 
Automotive Specifications 
 
Appearance 
  • Light Beige
Processing Method 
  • Cast Film
  • Casting
  • Extrusion
  • Extrusion Coating
  • Filament Extrusion
  • Injection Molding
  • Profile Extrusion
  • Sheet Extrusion
Multi-Point Data 
  • Isochronous Stress vs. Strain (ISO 11403-1)
  • Isothermal Stress vs. Strain (ISO 11403-1)
  • Viscosity vs. Shear Rate (ISO 11403-2)
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
190°C/2.16 kg
g/10 min
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, 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
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
    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
Tensile Creep Modulus
    ISO 899-1
1 hr
psi
 
1000 hr
psi
 
Flexural Modulus
     
-40°F
psi
ASTM D790, ISO 178
73°F
psi
ASTM D790
212°F
psi
ASTM D790, 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
 
 
Tensile Impact Strength (73°F)
ft·lb/in²
ISO 8256
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness
     
Shore D
 
ASTM D2240
Shore D
 
ISO 868
Shore D, 15 sec
 
ISO 868
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     
66 psi, Unannealed
°F
ASTM D648
66 psi, Unannealed
°F
ISO 75-2/B
Brittleness Temperature
°F
ISO 974
Glass Transition Temperature
°F
ISO 11357-2
Melting Temperature 2
°F
ISO 11357-3, ASTM D3418
CLTE
    ASTM E831, ISO 11359-2
Flow: -40 to 73°F
in/in/°F
 
Flow: 73 to 131°F
in/in/°F
 
Flow: 131 to 185°F
in/in/°F
 
Transverse: -40 to 73°F
in/in/°F
 
Transverse: 73 to 131°F
in/in/°F
 
Transverse: 131 to 185°F
in/in/°F
 
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
IEC 60093
Volume Resistivity
ohm·cm
IEC 60093
Dielectric Strength
     
73°F, 0.0750 in 3
V/mil
ASTM D149
73°F
V/mil
IEC 60243-1
Dielectric Constant
     
73°F, 0.0750 in, 100 Hz
 
ASTM D150
73°F, 0.0750 in, 1 kHz
 
ASTM D150
73°F, 0.0750 in, 1 MHz
 
ASTM D150
73°F, 100 Hz
 
IEC 60250
73°F, 1 MHz
 
IEC 60250
Dissipation Factor
     
73°F, 0.0750 in, 100 Hz
 
ASTM D150
73°F, 0.0750 in, 1 kHz
 
ASTM D150
73°F, 0.0750 in, 1 MHz
 
ASTM D150
73°F, 100 Hz
 
IEC 60250
73°F, 1 MHz
 
IEC 60250
Comparative Tracking Index
V
IEC 60112
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0591 in)
 
UL 94
Flammability Classification (0.0591 in)
 
IEC 60695-11-10, -20
Oxygen Index
%
ISO 4589-2
UL
Nominal Value
Unit
Test Method
RTI Str (0.0591 in)
°F
UL 746
RTI Imp (0.0591 in)
°F
UL 746
RTI Elec (0.0591 in)
°F
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® 4056, Hytrel 4056, Hytrel® , Hytrel, Hytrel4056, 4056, 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, High Energy Absorption, Good Creep Resistance, Creep Resistant, Low Temperature Flexibility, Good Adhesion.
Uses
Uses may also be described by the following terms: Cast Film, Tubing, Tube, Wire and Cable Applications, Wire & Cable Applications, Compounding, Compounds.
Automotive Specifications
This plastic material has approval for 2 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): CHRYSLER (1), FORD (1).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Max Moisture
%
 
Processing (Melt) Temp
°F
 
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
%
 
Melt Temperature
°F
 
Extrusion Melt Temperature, Optimum
°F
 
Notes
1Typical properties: these are not to be construed as specifications.
210°C/min
3Method A (Short-Time)
 
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.