Hytrel® 4056 is a low modulus Hytrel® grade with nominal durometer hardness of 40D and with high impact resistance down to -40°C. It contains a non-discoloring stabilizer. It is recommended for extrusion and compounding.
Typical Applications
- Hose and tubing
- Hose jackets
- Wire and cable jackets
- Film and sheeting
- Belting and seals
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Processing Methods: Film Extrusion, Thermoforming, Casting, Injection Molding, Compounding, Calendering, Extrusion, Coating
End Uses: Hoses, Cosmetic Packaging, Cables, Automotive Applications, Corrugated Pipe, Monofilaments, Cable Jacketing, Sporting Goods, Thermoforming Applications, Wires, Electrical/Electronic Applications, Office Automation Equipment
Density: 1160.0 kg/m³
Strain at Break: 300.0 %
Flexural Modulus: 60.0 MPa
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Technologies
Hytrel® 4056 Features & Benefits
Applications & Uses
Applications
Plastics & Elastomers Processing Methods
Properties
Chemical Resistance
Flame Rating
Part Marking Code
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Tensile Modulus | 60 | MPa | ISO 527-1/-2 |
| Flexural Modulus | 60 | MPa | ISO 178 |
| Abrasion Resistance | 200 | mm³ | ISO 4649 |
| Stress (at 5% Strain) | 2.4 | MPa | ISO 527-1/-2 |
| Stress (at 10% Strain) | 4.6 | MPa | ISO 527-1/-2 |
| Stress (at 50% Strain) | 8.4 | MPa | ISO 527-1/-2 |
| Stress (at Break) | 22 | MPa | ISO 527-1/-2 |
| Nominal Strain (at Break) | 500 | % | ISO 527-1/-2 |
| Strain (at Break) | min. 300 | % | ISO 527-1/-2 |
| Poisson's Ratio | 0.5 | - | - |
| Tensile Creep Modulus (1h) | 54 | MPa | ISO 899-1 |
| Tensile Creep Modulus (1000h) | 40 | MPa | ISO 899-1 |
| Charpy Impact Strength (at 23°C) | N | kJ/m² | ISO 179/1eU |
| Charpy Impact Strength (at -30°C) | N | kJ/m² | ISO 179/1eU |
| Notched Charpy Impact Strength (at 23°C) | N | kJ/m² | ISO 179/1eA |
| Notched Charpy Impact Strength (at -30°C) | N | kJ/m² | ISO 179/1eA |
| Notched Charpy Impact Strength (at -40°C) | N | kJ/m² | ISO 179/1eA |
| Tensile Notched Impact Strength (at 23°C) | 230 | kJ/m² | ISO 8256/1 |
| Puncture - Maximum Force (at 23°C) | 1500 | N | ISO 6603-2 |
| Puncture - Maximum Force (at -30°C) | 2800 | N | ISO 6603-2 |
| Puncture Energy (at 23°C) | 19 | J | ISO 6603-2 |
| Puncture Energy (at -30°C) | 37 | J | ISO 6603-2 |
| Notched Izod Impact Strength (at 23°C) | N | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (at -40°C) | N | kJ/m² | ISO 180/1A |
| Hardness (Shore D, 15s) | 37 | - | ISO 48-4 / ISO 868 |
| Hardness (Shore D, Maximum) | 43 | - | ISO 868 |
| Tear Strength (Parallel) | 102 | kN/m | ISO 34-1 |
| Tear Strength (Normal) | 96 | kN/m | ISO 34-1 |
| Brittleness Temperature | -97 | °C | ISO 974 |
Typical Properties
| Value | Units | Test Method / Conditions | |
| Resin Identification | TPC-ET | - | ISO 1043 |
Thermal Properties
| Value | Units | Test Method / Conditions | |
| Melt Temperature (at 10°C/min) | 152 | °C | ISO 11357-1/-3 |
| Glass Transition Temperature (at 10°C/min) | -50 | °C | ISO 11357-1/-2 |
| Temperature of Deflection Under Load (0.45 Mpa) | 48 | °C | ISO 75-1/-2 |
| Vicat Softening Temperature (at 50°C/H 10N) | 109 | °C | ISO 306 |
| Coefficient of Linear Thermal Expansion (Parallel) | 130 | E-6/K | ISO 11359-1/-2 |
| Coefficient of Linear Thermal Expansion (Normal) | 160 | E-6/K | ISO 11359-1/-2 |
| Relative Thermal Index (Electrical, 1.5mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Impact, 1.5mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Strength, 1.5mm) | 50 | °C | UL 746B |
| TGA curve | available | - | ISO 11359-1/-2 |
| Effective Thermal Diffusivity | 8.5e-08 | m²/s | - |
Film Properties
| Value | Units | Test Method / Conditions | |
| Thickness of Specimen | 0.025 | mm | - |
| Water Vapor Transmission Rate (at 23°C/85%R.H.) | 450 | g/(m²*d) | DIS 15106-1/-2 |
| Oxygen Transmission Rate (at 23°C/85%R.H.) | 14000 | cm³/(m²*d*bar) | DIS 15105-1/-2 |
Electrical Properties
| Value | Units | Test Method / Conditions | |
| Surface Resistivity | 200000000000000 | Ohm | IEC 62631-3-2 |
| Electric Strength | 18 | kV/mm | IEC 60243-1 |
| Relative Permittivity (at 100Hz) | 5.2 | - | IEC 62631-2-1 |
| Relative Permittivity (at 1MHz) | 4.7 | - | IEC 62631-2-1 |
| Dissipation Factor (at 100 Hz) | 110 | E-4 | IEC 62631-2-1 |
| Dissipation Factor (at 1 MHz) | 525 | E-4 | IEC 62631-2-1 |
| Comparative Tracking Index | 600 | - | IEC 60112 |
| Volume Resistivity | 70000000000 | Ohm.m | IEC 62631-3-1 |
Flammability
| Value | Units | Test Method / Conditions | |
| Oxygen Index | 20 | % | ISO 4589-1/-2 |
| FMVSS Class | SE | - | ISO 3795 (FMVSS 302) |
| Burning Behavior (at 1.5mm Nominal Thickness) | UL94 HB | class | IEC 60695-11-10 |
| Burning Behavior (at 0.8mm Thickness) | UL94 HB | class | IEC 60695-11-10 |
Other Properties
| Value | Units | Test Method / Conditions | |
| Humidity Absorption (at 2mm) | 0.2 | % | Sim. to ISO 62 |
| Water Absorption (at 2mm) | 0.7 | % | Sim. to ISO 62 |
| Water Absorption (Immersion 24h) | 0.6 | % | Sim. to ISO 62 |
| Density of Melt | 1020 | kg/m³ | - |
| Density | 1160 | kg/m³ | ISO 1183 |
Processing Information (Extrusion)
| Value | Units | Test Method / Conditions | |
| Melt Temperature Range | 165 - 180 | °C | - |
| Melt Temperature (Optimum) | 170 | °C | - |
| Drying Temperature | 70 - 90 | °C | - |
| Drying Time (Dehumidified Dryer) | 2 - 3 | h | - |
| Processing Moisture Content | max. 0.06 | % | - |
Processing Information (Injection Molding)
| Value | Units | Test Method / Conditions | |
| Drying Temperature | 80 | °C | - |
| Drying Recommended | yes | - | - |
| Drying Time (Dehumidified Dryer) | 2 - 3 | h | - |
| Processing Moisture Content | max. 0.08 | % | - |
| Melt Temperature (Optimum) | 180 | °C | - |
| Melt Temperature (Minimum) | 170 | °C | - |
| Melt Temperature (Maximum) | 190 | °C | - |
| Mold Temperature (Optimum) | 40 | °C | - |
| Mold Temperature (Minimum) | 30 | °C | - |
| Mold Temperature (Maximum) | 40 | °C | - |
Tribological Properties
| Value | Units | Test Method / Conditions | |
| Coefficient of Static Friction (against Steel) | 0.6 | - | ASTM 1894 |
Rheological Properties
| Value | Units | Test Method / Conditions | |
| Melt Volume-Flow Rate (at 190°C, 2.16 kg) | 5 | cm³/10min | ISO 1133 |
| Melt Mass Flow Rate (at 190°C, 2.16 kg) | 5.6 | g/10min | ISO 1133 |
| Mold Shrinkage (Parallel) | 0.2 | % | ISO 294-4, 2577 |
| Mold Shrinkage (Normal) | 0.4 | % | ISO 294-4, 2577 |
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 | Automatic hypoid-gear oil Shell Donax TX (135°C) | Not Recommended |
| Mineral oils | Insulating Oil (23°C) | Probably Resistant |
| Mineral oils | Motor oil OS206 304 Ref.Eng.Oil, ISP (135°C) | Not Recommended |
| 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 | Coolant Glysantin G48, 1:1 in water (125°C) | Not Recommended |
| 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 |
Regulatory & Compliance
Certifications & Compliance
Technical Details & Test Data
Viscosity vs Shear Rate
Shear Stress vs Shear Rate
Dynamic Tensile Modulus vs Temperature
Dynamic Shear Modulus vs Temperature
Stress vs Strain
Stress vs Strain (TPE)
Secant Modulus vs Strain
Stress vs Strain (Isochronous, 23°C)
Creep Modulus vs Time (23°C)
Stress vs Strain (Isochronous, 40°C)
Creep Modulus vs Time (40°C)
Stress vs Strain (Isochronous, 80°C)
Creep Modulus vs Time (80°C)
LTHA Strain at Break (2mm)
Packaging & Availability
Country Availability
Regional Availability
Hytrel® 4056
DuPont