Hytrel® G4774 is a medium modulus grade with nominal hardness of 47D. It contains discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion. Typical applications: Hose and tubing, wire and cable jackets, film and sheeting, profiles and molded products. Not suited for light-colored finished products.
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Processing Methods: Film Extrusion, Thermoforming, Casting, Injection Molding, Extrusion, Sheet, Plaques & Profiles Extrusion
End Uses: Wire & Cable Applications, Jacketing, Hoses, General Purpose, Cosmetic Packaging, Appliances, Pipes, Automotive Applications, Cable Jacketing, Film, Sporting Goods, Thermoforming Applications, Tubing, Electrical/Electronic Applications
Density: 1190.0 kg/m³
Strain at Break: 200.0 %
Flexural Modulus: 111.0 MPa
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Hytrel® G4774
DuPont
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Identification & Functionality
Chemical Family
Polymer Name
Technologies
Hytrel® G4774 Features & Benefits
Applications & Uses
Markets
Applications
Plastics & Elastomers Processing Methods
Properties
Chemical Resistance
Flame Rating
Part Marking Code
>TPC-ET<
Resin ID
TPC-ET
Flame Rating
UL 94 HB
Physical Properties
Value | Units | Test Method / Conditions | |
Melt Volume - Flow Rate | 11 | cm³/10min | ISO 1133 |
Load | 2.16 | kg | ISO 1133 |
Molding Shrinkage - Parallel | 1.5 | % | ISO 294-4, 2577 |
Molding Shrinkage - Normal | 1.2 | % | ISO 294-4 |
Temperature | 230 | °C | ISO 1133 |
Mechanical Properties
Value | Units | Test Method / Conditions | |
Flexural Modulus | 111 | MPa | ISO 178 |
Shear Modulus | 39 | MPa | ISO 6721 |
Charpy Impact Strength (23°C) | No Break | kJ/m2 | ISO 179/1eU |
Charpy Impact Strength (-30°C) | No Break | kJ/m2 | ISO 179/1eU |
Charpy Notched Impact Strength (23°C) | No Break | kJ/m2 | ISO 179/1eA |
Charpy Notched Impact Strength (-30°C) | No Break | kJ/m2 | ISO 179/1eA |
Charpy Notched Impact Strength (-40°C) | 120P | kJ/m² | ISO 179/1eA |
Tensile Notched Impact Strength (23°C) | 260 | kJ/m² | ISO 8256/1 |
Izod Notched Impact Strength (23°C) | No Break | kJ/m2 | ISO 180/1A |
Izod Notched Impact Strength (-40°C) | No Break | kJ/m² | ISO 180/1A |
Brittleness Temperature | -66 | °C | ISO 974 |
Thermal Properties
Value | Units | Test Method / Conditions | |
Melting Temperature (10°C/min) | 208 | °C | ISO 11357-1/-3 |
Glass Transition Temperature (10°C/min) | -45 | °C | ISO 11357-1/-2 |
Temperature of Deflection Under Load (0.45 MPa) | 60 | °C | ISO 75-1/-2 |
Vicat Softening Temperature (50°C/h, 10N) | 165 | °C | ISO 306 |
Coefficient of Linear Thermal Expansion - Parallel | 220 | E-6/K | ISO 11359-1/-2 |
Coefficient of Linear Thermal Expansion - Normal | 190 | E-6/K | ISO 11359-1/-2 |
Specific Heat Capacity of Melt | 2100 | J/(kg K) | - |
Relative Temperature Index - Electrical (0.75 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Electrical (1.5 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Electrical (3 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Impact (0.75 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Impact (1.5 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Impact (3 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Strength (0.75 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Strength (1.5 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Strength (3 mm) | 50 | °C | UL 746B |
Effective Thermal Diffusivity | 5.44E-8 | m²/s | - |
Thermal Conductivity of Melt | 0.16 | W/(m K) | - |
Mechanical Properties Elastomers
Value | Units | Test Method / Conditions | |
Max. Hardness - Shore D | 48 | - | ISO 7619-1 |
Tear Strength - Parallel | 100 | kN/m | ISO 34-1 |
Tear Strength - Normal | 90 | kN/m | ISO 34-1 |
Abrasion Resistance | 33 | mm³ | ISO 4649 |
Nominal Strain at Break | 400 | % | ISO 527-1/-2 |
Strain at Break | 200 | % | ISO 527-1/-2 |
Stress at Break | 17 | MPa | ISO 527-1/-2 |
Stress at 50% Strain | 12 | MPa | ISO 527-1/-2 |
Stress at 10% Strain | 7 | MPa | ISO 527-1/-2 |
Tensile Modulus | 110 | MPa | ISO 527-1/-2 |
Hardness - Shore D (15s) | 43 | - | ISO 7619-1 |
Electrical Properties
Value | Units | Test Method / Conditions | |
Relative Permittivity (1 MHz) | 4.7 | - | IEC 62631-2-1 |
Comparative Tracking Index - CTI (3.0 mm) | 600 | PLC | UL 746A |
Volume Resistivity | 1E12 | ohm.m | IEC 62631-3-1 |
Flammability
Value | Units | Test Method / Conditions | |
Burning Behaviour (1.5 mm, Nominal Thickness) | HB | class | IEC 60695-11-10 |
Burning Behaviour (Thickness h) | HB | class | IEC 60695-11-10 |
Glow Wire Flammability Index - GWFI (2 mm) | 700 | °C | IEC 60695-2-12 |
Glow Wire Ignition Temperature (2 mm) | 675 | °C/mm | IEC 60695-2-1/3 |
Glow Wire Temperature (No Flame, 2 mm) | 650 | °C | IEC 60335-1 |
FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
Burning Rate (1 mm, Thickness) | 33 | mm/min | ISO 3795 (FMVSS 302) |
Ul Recognition | Yes | - | UL 94 |
Thickness Tested | 1.5 | mm | IEC 60695-11-10 |
Other Properties
Value | Units | Test Method / Conditions | |
Water Absorption - Immersion (24 h) | 2.5 | % | Sim. to ISO 62 |
Density | 1190 | kg/m³ | ISO 1183 |
Density of Melt | 1010 | kg/m³ | - |
Processing Information (Extrusion)
Value | Units | Test Method / Conditions | |
Processing Moisture Content | ≤0.06 | % | - |
Melt Temperature Optimum | 230 | °C | - |
Processing Information (Injection Molding)
Value | Units | Test Method / Conditions | |
Drying Recommended | Yes | - | - |
Processing Moisture Content | ≤0.08 | % | - |
Drying Temperature | 100 | °C | - |
Melt Temperature Optimum | 240 | °C | - |
Drying Time (Dehumidified Dryer) | 2.0 - 3.0 | h | - |
Min. Melt Temperature | 235 | °C | - |
Max. Melt Temperature | 260 | °C | - |
Mold Temperature Optimum | 45 | °C | - |
Min. Mold Temperature | 45 | °C | - |
Max. Mold Temperature | 55 | °C | - |
VDA Properties
Value | Units | Test Method / Conditions | |
Emission of Organic Compounds | 18 | µgC/g | VDA 277 |
Odour | 5 | class | VDA 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 | Automatic hypoid-gear oil Shell Donax TX (135°C) | Not Recommended |
Mineral oils | Hydraulic oil Pentosin CHF 202 (125°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 | 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
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
Specific Volume Temperature (pvT)