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
End Uses: Jacketing, Hoses, General Purpose, Cosmetic Packaging, Appliances, Pipes, Cables, Automotive Applications, Cable Jacketing, Film, Sporting Goods, Thermoforming Applications, Wires, 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 Features & Benefits
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Applications
Plastics & Elastomers Processing Methods
Properties
Chemical Resistance
Flame Rating
Part Marking Code
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Flexural Modulus | 111 | MPa | ISO 178 |
| Shear Modulus | 39 | MPa | ISO 6721 |
| Tensile Modulus | 110 | MPa | ISO 527-1/-2 |
| Abrasion Resistance | 33 | mm³ | ISO 4649 |
| Stress (at 10% Strain) | 7 | MPa | ISO 527-1/-2 |
| Stress (at 50% Strain) | 12 | MPa | ISO 527-1/-2 |
| Stress (at Break) | 17 | MPa | ISO 527-1/-2 |
| Nominal Strain (at Break) | 400 | % | ISO 527-1/-2 |
| Strain (at Break) | 200 | % | ISO 527-1/-2 |
| 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) | 120 | kJ/m² | ISO 179/1eA |
| Tensile Notched Impact Strength (at 23°C) | 260 | kJ/m² | ISO 8256/1 |
| 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) | 43 | - | ISO 48-4 / ISO 868 |
| Hardness (Shore D, Maximum) | 48 | - | ISO 868 |
| Tear Strength (Parallel) | 100 | kN/m | ISO 34-1 |
| Tear Strength (Normal) | 90 | kN/m | ISO 34-1 |
| Brittleness Temperature | -66 | °C | ISO 974 |
Typical Properties
| Value | Units | Test Method / Conditions | |
| Resin Identification | TPC-ET | - | ISO 1043 |
Thermal Properties
| Value | Units | Test Method / Conditions | |
| Specific Heat Capacity of Melt | 2100 | J/(kg K) | - |
| Melt Temperature (at 10°C/min) | 208 | °C | ISO 11357-1/-3 |
| Glass Transition Temperature (at 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 (at 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 |
| Relative Thermal Index (Electrical, 0.75mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Electrical, 1.5mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Electrical, 3mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Impact, 0.75mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Impact, 1.5mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Impact, 3mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Strength, 0.75mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Strength, 1.5mm) | 50 | °C | UL 746B |
| Relative Thermal Index (Strength, 3mm) | 50 | °C | UL 746B |
| TGA curve | available | - | ISO 11359-1/-2 |
| Effective Thermal Diffusivity | 5.44e-08 | m²/s | - |
| Thermal Conductivity of Melt | 0.16 | W/(m K) | ISO 22007-2 |
Electrical Properties
| Value | Units | Test Method / Conditions | |
| Relative Permittivity (at 1MHz) | 4.7 | - | IEC 62631-2-1 |
| Comparative Tracking Index (at 3mm) | 600 | PLC | UL 746A |
| Volume Resistivity | 1000000000000 | Ohm.m | IEC 62631-3-1 |
Flammability
| Value | Units | Test Method / Conditions | |
| FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
| Burning Behavior (at 1.5mm Nominal Thickness) | UL94 HB | class | IEC 60695-11-10 |
| Burning Behavior (at 3mm Thickness h) | UL94 HB | class | IEC 60695-11-10 |
| Glow Wire Flammability Index (at 2mm) | 700 | °C | IEC 60695-2-12 |
| Glow Wire Ignition Temperature (at 2mm) | 675 | °C | IEC 60695-2-13 |
| Glow Wire Temperature (at 2mm, No Flame) | 650 | °C | IEC 60335-1 |
| Burning Rate (at 1mm Thickness) | 33 | mm/min | ISO 3795 (FMVSS 302) |
Other Properties
| Value | Units | Test Method / Conditions | |
| Water Absorption (Immersion 24h) | 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 | |
| Drying Temperature | 100 | °C | - |
| Drying Time (Dehumidified Dryer) | 2 - 3 | h | - |
| Melt Temperature (Optimum) | 230 | °C | - |
| Melt Temperature Range | 225 - 240 | °C | - |
| Processing Moisture Content | max. 0.06 | % | - |
VDA Properties
| Value | Units | Test Method / Conditions | |
| Emission of Organic Compounds | 18 | µgC/g | VDA 277 |
| Odor | 5 | class | VDA 270 |
Processing Information (Injection Molding)
| Value | Units | Test Method / Conditions | |
| Drying Recommended | yes | - | - |
| Processing Moisture Content | max. 0.08 | % | - |
| Drying Temperature | 100 | °C | - |
| Drying Time (Dehumidified Dryer) | 2 - 3 | h | - |
| Melt Temperature (Optimum) | 240 | °C | - |
| Melt Temperature (Minimum) | 235 | °C | - |
| Melt Temperature (Maximum) | 260 | °C | - |
| Mold Temperature (Optimum) | 45 | °C | - |
| Mold Temperature (Minimum) | 45 | °C | - |
| Mold Temperature (Maximum) | 55 | °C | - |
Rheological Properties
| Value | Units | Test Method / Conditions | |
| Melt Volume-Flow Rate (at 230°C, 2.16 kg) | 11 | cm³/10min | ISO 1133 |
| Melt Mass Flow Rate (at 230°C, 2.16 kg) | 11 | g/10min | ISO 1133 |
| Mold Shrinkage (Parallel) | 1.5 | % | ISO 294-4, 2577 |
| Mold Shrinkage (Normal) | 1.2 | % | 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) | 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
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)
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Hytrel® G4774
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