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Hytrel® G4074

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Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Processing Methods: Film Extrusion, Thermoforming, Blow Molding, Casting, Injection Molding, Extrusion, Sheet, Plaques & Profiles Extrusion
End Uses: Electrical/Electronic Applications, Cast Films, Wire & Cable Applications, Hoses, General Purpose, Cosmetic Packaging, Appliances, Automotive Applications, Cable Jacketing, Film, Sporting Goods, Thermoforming Applications, Tubing
Density: 1180.0 kg/m³
Strain at Break: 250.0 %
Flexural Modulus: 65.0 MPa
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Hytrel® G4074
DuPont
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Identification & Functionality

Hytrel® G4074 Features & Benefits

Applications & Uses

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Melt Volume - Flow Rate5cm³/10minISO 1133
Melt Mass Flow Rate - MFR (190°C/2.16 kg)5.3g/10minISO 1133
Load2.16kgISO 1133
Molding Shrinkage - Parallel0.8%ISO 1183
Molding Shrinkage - Normal0.8%ISO 294-4, 2577
Temperature190°CISO 1133
Mechanical Properties
ValueUnitsTest Method / Conditions
Flexural Modulus65MPaISO 178
Shear Modulus16MPaISO 6721
Tensile Creep Modulus (1000 h)35MPaISO 899-1
Charpy Impact Strength (23°C)No BreakkJ/m2ISO 179/1eU
Charpy Impact Strength (-30°C)No BreakkJ/m2ISO 179/1eU
Charpy Notched Impact Strength (23°C)No BreakkJ/m2ISO 179/1eA
Charpy Notched Impact Strength (-30°C)No BreakkJ/m2ISO 179/1eA
Puncture - Maximum Force (-30°C)3000NISO 6603-2
Puncture Energy (-30°C)37JISO 6603-2
Izod Notched Impact Strength (23°C)No BreakkJ/m2ISO 180/1A
Izod Notched Impact Strength (-40°C)No BreakkJ/m²ISO 180/1A
Brittleness Temperature-60°CISO 974
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)170°CISO 11357-1/-3
Glass Transition Temperature (10°C/min)-35°CISO 11357-1/-2
Vicat Softening Temperature (50°C/h, 10N)115°CISO 306
Coefficient of Linear Thermal Expansion - Parallel210E-6/KISO 11359-1/-2
Coefficient of Linear Thermal Expansion - Normal200E-6/KISO 11359-1/-2
Coefficient of Linear Thermal Expansion - Normal (-40 - 23°C)180E-6/KISO 11359-1/-2
Coefficient of Linear Thermal Expansion - Parallel (-40 - 23°C)220E-6/KISO 11359-1/-2
Specific Heat Capacity of Melt2050J/(kg K)-
Relative Temperature Index - Electrical (0.75 mm)90°CUL 746B
Relative Temperature Index - Electrical (1.5 mm)90°CUL 746B
Relative Temperature Index - Electrical (3 mm)90°CUL 746B
Relative Temperature Index - Impact (0.75 mm)50°CUL 746B
Relative Temperature Index - Impact (1.5 mm)85°CUL 746B
Relative Temperature Index - Impact (3 mm)85°CUL 746B
Relative Temperature Index - Strength (0.75 mm)50°CUL 746B
Relative Temperature Index - Strength (1.5 mm)85°CUL 746B
Relative Temperature Index - Strength (3 mm)85°CUL 746B
Thermal Conductivity of Melt0.26W/(m K)-
Effective Thermal Diffusivity5.44E-8m²/s-
Film Properties
ValueUnitsTest Method / Conditions
Water Vapor Trasmission Rate (23°C, 85% Relative Humidity)1900g/(m².d)DIS 15106-1/-2
Oxygen Transmission Rate (23°C, 85% Relative Humidity)34000cm³/(m².d.bar)DIS 15105-1/-2
Thickness of Specimen0.025mm-
Mechanical Properties Elastomers
ValueUnitsTest Method / Conditions
Max. Hardness - Shore D40-ISO 7619-1
Stress at Break20MPaISO 527-1/-2
Stress at 5% Strain2.5MPaISO 527-1/-2
Tear Strength - Normal96kN/mISO 34-1
Abrasion Resistance50mm³ISO 4649
Tear Strength - Parallel86kN/mISO 34-1
Nominal Strain at Break360%ISO 527-1/-2
Strain at Break250%ISO 527-1/-2
Stress at 50% Strain8MPaISO 527-1/-2
Stress at 10% Strain4.4MPaISO 527-1/-2
Tensile Modulus55MPaISO 527-1/-2
Hardness - Shore D (15s)35-ISO 7619-1
Electrical Properties
ValueUnitsTest Method / Conditions
Relative Permittivity (100 Hz)5.7-IEC 62631-2-1
Relative Permittivity (1 MHz)5-IEC 60250
Dissipation Factor (100 Hz)550E-4IEC 62631-2-1
Dissipation Factor (1 MHz)530E-4IEC 62631-2-1
Surface Resistivity2.00E+13ohmIEC 62631-3-2
Electric Strength17kV/mmIEC 60243-1
Volume Resistivity4E9ohm.mIEC 62631-3-1
Flammability
ValueUnitsTest Method / Conditions
Burning Behaviour (1.5 mm, Nominal Thickness)HBclassIEC 60695-11-10
Burning Behaviour (Thickness h)HBclassIEC 60695-11-10
Oxygen Index20%ISO 4589-1/-2
FMVSS ClassB-ISO 3795 (FMVSS 302)
Burning Rate (1 mm, Thickness)51mm/minISO 3795 (FMVSS 302)
Ul RecognitionYes-UL 94
Thickness Tested1.5mmIEC 60695-11-10
Other Properties
ValueUnitsTest Method / Conditions
Density of Melt1030kg/m³-
Density1180kg/m³ISO 1183
Processing Information (Extrusion)
ValueUnitsTest Method / Conditions
Melt Temperature Range185 - 200°C-
Processing Moisture Content≤0.06%-
Drying Time (Dehumidified Dryer)2.0 - 3.0h-
Melt Temperature Optimum195°C-
Drying Temperature≤80°C-
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Drying Temperature100°C-
Drying RecommendedYes--
Drying Time (Dehumidified Dryer)2.0 - 3.0h-
Processing Moisture Content≤0.08%-
Melt Temperature Optimum200°C-
Min. Melt Temperature190°C-
Max. Melt Temperature220°C-
Mold Temperature Optimum40°C-
Min. Mold Temperature30°C-
Max. Mold Temperature40°C-
VDA Properties
ValueUnitsTest Method / Conditions
Odour4classVDA 270
Chemical Resistance
Chemical Type Chemical Name Resistance
Acids Acetic Acid (5% by mass) (23°C) Probably Resistant
Acids Chromic Acid solution (40% by mass) (23°C) Not Recommended
Acids Citric Acid solution (10% by mass) (23°C) Probably Resistant
Acids Hydrochloric Acid (36% by mass) (23°C) Not Recommended
Acids Lactic Acid (10% by mass) (23°C) Probably Resistant
Acids Nitric Acid (40% by mass) (23°C) Not Recommended
Acids Sulfuric Acid (38% by mass) (23°C) Not Recommended
Acids Sulfuric Acid (5% by mass) (23°C) Probably Resistant
Alcohols Ethanol (23°C) Not Recommended
Alcohols Isopropyl alcohol (23°C) Probably Resistant
Alcohols Methanol (23°C) Probably Resistant
Bases Ammonium Hydroxide solution (10% by mass) (23°C) Probably Resistant
Bases Sodium Hydroxide solution (1% by mass) (23°C) Probably Resistant
Bases Sodium Hydroxide solution (35% by mass) (23°C) Not Recommended
Ethers Diethyl ether (23°C) Not Recommended
Hydrocarbons iso-Octane (23°C) Probably Resistant
Hydrocarbons n-Hexane (23°C) Probably Resistant
Hydrocarbons Toluene (23°C) Probably Resistant
Ketones Acetone (23°C) Not Recommended
Mineral oils Insulating Oil (23°C) Probably Resistant
Mineral oils SAE 10W40 multigrade motor oil (130°C) Not Recommended
Mineral oils SAE 10W40 multigrade motor oil (23°C) Probably Resistant
Mineral oils SAE 80/90 hypoid-gear oil (130°C) Not Recommended
Other 1% nonylphenoxy-polyethyleneoxy ethanol in water (23°C) Probably Resistant
Other 50% Oleic acid + 50% Olive Oil (23°C) Probably Resistant
Other DOT No. 4 Brake fluid (130°C) Not Recommended
Other Ethyl Acetate (23°C) Probably Resistant
Other Ethylene Glycol (50% by mass) in water (108°C) Not Recommended
Other Hydrogen peroxide (23°C) Not Recommended
Other Phenol solution (5% by mass) (23°C) Probably Resistant
Other Water (23°C) Probably Resistant
Other Water (90°C) Not Recommended
Salt solutions Sodium Carbonate solution (2% by mass) (23°C) Probably Resistant
Salt solutions Sodium Carbonate solution (20% by mass) (23°C) Probably Resistant
Salt solutions Sodium Chloride solution (10% by mass) (23°C) Probably Resistant
Salt solutions Sodium Hypochlorite solution (10% by mass) (23°C) Not Recommended
Salt solutions Zinc Chloride solution (50% by mass) (23°C) Probably Resistant
Standard Fuels Diesel fuel (pref. ISO 1817 Liquid F) (>90°C) Not Recommended
Standard Fuels Diesel fuel (pref. ISO 1817 Liquid F) (23°C) Probably Resistant
Standard Fuels Diesel fuel (pref. ISO 1817 Liquid F) (90°C) Probably Resistant
Standard Fuels ISO 1817 Liquid 1 - E5 (60°C) Not Recommended
Standard Fuels ISO 1817 Liquid 2 - M15E4 (60°C) Not Recommended
Standard Fuels ISO 1817 Liquid 3 - M3E7 (60°C) Not Recommended
Standard Fuels ISO 1817 Liquid 4 - M15 (60°C) Not Recommended
Standard Fuels Standard fuel with alcohol (pref. ISO 1817 Liquid 4) (23°C) Probably Resistant
Standard Fuels Standard fuel without alcohol (pref. ISO 1817 Liquid C) (23°C) Probably Resistant

Regulatory & Compliance

Certifications & Compliance
OEM Standards
Compliance
UL Flame Rated

Technical Details & Test Data

Viscosity vs Shear Rate

DuPont Hytrel G4074 Viscosity vs Shear Rate

Shear Stress vs Shear Rate

DuPont Hytrel G4074 Shear Stress vs Shear Rate

Dynamic Tensile Modulus vs Temperature

DuPont Hytrel G4074 Dynamic Tensile Modulus vs Temperature

Stress vs Strain

DuPont Hytrel G4074 Stress vs Strain

Stress vs Strain (TPE)

DuPont Hytrel G4074 Stress vs Strain (TPE)

Secant Modulus vs Strain

DuPont Hytrel G4074 Secant Modulus vs Strain

Specific Volume Temperature (pvT)

DuPont Hytrel G4074 Specific Volume Temperature (pvT)

LTHA Stress at Break (2mm)

DuPont Hytrel G4074 LTHA Stress at Break (2mm)

LTHA Strain at Break (2mm)

DuPont Hytrel G4074 LTHA Strain at Break (2mm)

Packaging & Availability