Company logo

Hytrel® 4068

Sold by DuPont
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Processing Methods: Film Extrusion, Thermoforming, Casting, Injection Molding, Extrusion, Sheet, Plaques & Profiles Extrusion
End Uses: Hoses, Cosmetic Packaging, Appliances, Pipes, Automotive Applications, Corrugated Pipe, Sporting Goods, Thermoforming Applications, Tubing, Office Automation Equipment, Cast Films, Wire & Cable Applications
Density: 1110.0 kg/m³
Strain at Break: 300.0 %
Flexural Modulus: 45.0 MPa
Start Order
Secure
Order Quantity
Price
Available upon quote
Minimum Order Quantity
Quote required
Lead Time
Quote required
Available Incoterms
Quote required
Regional Availability
Quote required
Hytrel® 4068
DuPont
Similar Products from DuPont NEW
TypeDocument Name
Brochure
Technology Profile Laser Welding
Technology Profile Laser Welding
Brochure
Other
Hot Runner Manual for Robust Molding of Semi-crystalline Resins
Hot Runner Manual for Robust Molding of Semi-crystalline Resins
Other
Brochure
Hytrel® Thermoplastic Polyester Elastomer
Hytrel® Thermoplastic Polyester Elastomer
Brochure
Brochure
Hytrel® Polyester Elastomer
Hytrel® Polyester Elastomer
Brochure
Other
Hytrel® Design Guide
Hytrel® Design Guide
Other
Other
Hytrel® Handling and Processing Precautions
Hytrel® Handling and Processing Precautions
Other
Other
Hytrel® Thermoplastic Polyester Elastomer Product Reference Guide
Hytrel® Thermoplastic Polyester Elastomer Product Reference Guide
Other
Brochure
Hydrolysis Resistance of Hytrel®
Hydrolysis Resistance of Hytrel®
Brochure
Brochure
Electrical/Electronic Thermoplastic Encapsulation
Electrical/Electronic Thermoplastic Encapsulation
Brochure
Brochure
DuPont Performance Polymers - Self Tapping Screws
DuPont Performance Polymers - Self Tapping Screws
Brochure
Other
Hytrel® Extrusion Manual
Hytrel® Extrusion Manual
Other
Other
Hytrel® all in one extrusion processing manual
Hytrel® all in one extrusion processing manual
Other

Knowde Enhanced TDS

Expand All

+

Identification & Functionality

Hytrel® 4068 Features & Benefits

Applications & Uses

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Flexural Modulus45MPaISO 178
Tensile Creep Modulus (1000 h)21MPaISO 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
Charpy Notched Impact Strength (-40°C)No BreakkJ/m²ISO 179/1eA
Tensile Notched Impact Strength (23°C)145kJ/m²ISO 8256/1
Puncture - Maximum Force (-30°C)2100NISO 6603-2
Puncture Energy (-30°C)30JISO 6603-2
Physical Properties
ValueUnitsTest Method / Conditions
Melt Volume - Flow Rate8.8cm³/10minISO 1133
Melt Mass Flow Rate - MFR (190°C/2.16 kg)8.5g/10 minASTM D1238
Load2.16kgISO 1133
Molding Shrinkage - Parallel1.0%ISO 294-4, 2577
Molding Shrinkage - Normal0.9%ISO 294-4, 2577
Temperature220°CISO 1133
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)193°CISO 11357-1/-3
Glass Transition Temperature (10°C/min)-55°CISO 11357-1/-2
Vicat Softening Temperature (50°C/h, 10N)130°CISO 306
Coefficient of Linear Thermal Expansion - Parallel230E-6/KISO 11359-1/-2
Coefficient of Linear Thermal Expansion - Normal230E-6/KISO 11359-1/-2
Specific Heat Capacity of Melt2140J/(kg K)-
Effective Thermal Diffusivity5.44E-8m²/s-
Thermal Conductivity of Melt0.16W/(m K)-
Mechanical Properties Elastomers
ValueUnitsTest Method / Conditions
Max. Hardness - Shore D37-ISO 7619-1
Stress at 5% Strain2.4MPaISO 527-1/-2
Abrasion Resistance180mm³ISO 4649
Tear Strength - Normal103kN/mISO 34-1
Tear Strength - Parallel100kN/mISO 34-1
Nominal Strain at Break800%ISO 527-1/-2
Stress at Break29MPaISO 527-1/-2
Stress at 100% Strain7.5MPaISO 527-1/-2
Stress at 50% Strain6.7MPaISO 527-1/-2
Stress at 10% Strain3.2MPaISO 527-1/-2
Tensile Modulus45MPaISO 527-1/-2
Hardness - Shore D (15s)33-ISO 7619-1
Strain at Breakmin. 300%ISO 527-1/-2
Electrical Properties
ValueUnitsTest Method / Conditions
Relative Permittivity (100 Hz)4.8-IEC 62631-2-1
Relative Permittivity (1 MHz)4.7-IEC 62631-2-1
Electric Strength18kV/mmSTN EN 60243-2
Comparative Tracking Index - CTI600VUL 746
Flammability
ValueUnitsTest Method / Conditions
FMVSS ClassB-ISO 3795 (FMVSS 302)
Burning Rate (1 mm, Thickness)max. 80mm/minISO 3795 (FMVSS 302)
Other Properties
ValueUnitsTest Method / Conditions
Humidity Absorption (2 mm)0.3%Sim. to ISO 62
Water Absorption (2 mm)0.7%Sim. to ISO 62
Water Absorption - Immersion (24 h)0.7%Sim. to ISO 62
Density of Melt1030kg/m³-
Density1110kg/m³ISO 1183
Processing Information (Extrusion)
ValueUnitsTest Method / Conditions
Melt Temperature Range210 - 225°C-
Processing Moisture Content≤0.06%-
Drying Time (Dehumidified Dryer)2.0 - 3.0h-
Melt Temperature Optimum215°C-
Drying Temperature90 - 110°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 Optimum225°C-
Min. Melt Temperature220°C-
Max. Melt Temperature250°C-
Mold Temperature Optimum40°C-
Min. Mold Temperature30°C-
Max. Mold Temperature40°C-
VDA Properties
ValueUnitsTest Method / Conditions
Emission of Organic Compounds10µgC/gVDA 277
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) Probably Resistant
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) Probably Resistant
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) Probably Resistant
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

Technical Details & Test Data

Viscosity vs Shear Rate

DuPont Hytrel 4068 Viscosity vs Shear Rate

Shear Stress vs Shear Rate

DuPont Hytrel 4068 Shear Stress vs Shear Rate

Stress vs Strain (TPE)

DuPont Hytrel 4068 Stress vs Strain (TPE)

Stress vs Strain (Isochronous, 23°C)

DuPont Hytrel 4068 Stress vs Strain (Isochronous, 23°C)

Creep Modulus vs Time (23°C)

DuPont Hytrel 4068 Creep Modulus vs Time (23°C)

Stress vs Strain (Isochronous, 40°C)

DuPont Hytrel 4068 Stress vs Strain (Isochronous, 40°C)

Creep Modulus vs Time (40°C)

DuPont Hytrel 4068 Creep Modulus vs Time (40°C)

Specific Volume Temperature (pvT)

DuPont Hytrel 4068 Specific Volume Temperature (pvT)

Packaging & Availability