Hytrel® 4068FG
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Hytrel® 4068FG is a high performance thermoplastic polyester elastomer developed for applications in contact with food.This product is manufactured according to Good Manufacturing Practice (GMP) principles and generally accepted in food contact applications in Europe and the USA when meeting applicable use conditions.
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, Non Specific Food Applications, Pipes, Corrugated Pipe, Film, Thermoforming Applications, Tubing, Wire & Cable Applications
Density: 1110.0 kg/m³
Strain at Break: 300.0 %
Flexural Modulus: 47.0 MPa
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Hytrel® 4068FG
DuPont
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Chemical Resistance
Part Marking Code
>TPC-ET<
Resin ID
TPC-ET
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Flexural Modulus | 47 | MPa | ASTM D 790 |
| Tensile Creep Modulus (1000 h) | 21 | MPa | ISO 899-1 |
| 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 |
| Tensile Notched Impact Strength (23°C) | 145 | kJ/m² | ISO 8256/1 |
| Izod Notched Impact Strength (23°C) | No Break | kJ/m2 | ISO 180/1A |
| Izod Notched Impact Strength (-30°C) | No Break | kJ/m2 | ISO 180/1A |
| Izod Notched Impact Strength (-40°C) | No Break | kJ/m² | ISO 180/1A |
Physical Properties
| Value | Units | Test Method / Conditions | |
| Melt Volume - Flow Rate | 8.8 | cm³/10min | ISO 1133 |
| Melt Mass Flow Rate - MFR (220°C/2.16 kg) | 8.5 | g/10 min | ISO 1133 |
| Load | 2.16 | kg | ISO 1133 |
| Molding Shrinkage - Parallel | 1.0 | % | ISO 294-4, 2577 |
| Molding Shrinkage - Normal | 0.9 | % | ISO 294-4, 2577 |
| Temperature | 220 | °C | ISO 1133 |
Thermal Properties
| Value | Units | Test Method / Conditions | |
| Melting Temperature (10°C/min) | 193 | °C | ISO 11357-1/-3 |
| Glass Transition Temperature (10°C/min) | -55 | °C | ISO 11357-1/-2 |
| Vicat Softening Temperature (50°C/h, 10N) | 130 | °C | ISO 306 |
| Coefficient of Linear Thermal Expansion - Parallel | 230 | E-6/K | ISO 11359-1/-2 |
| Coefficient of Linear Thermal Expansion - Normal | 230 | E-6/K | ISO 11359-1/-2 |
| Effective Thermal Diffusivity | 5.44E-8 | m²/s | - |
Mechanical Properties Elastomers
| Value | Units | Test Method / Conditions | |
| Max. Hardness - Shore D | 37 | - | ISO 7619-1 |
| Stress at 5% Strain | 2.4 | MPa | ISO 527-1/-2 |
| Abrasion Resistance | 180 | mm³ | ISO 4649 |
| Tear Strength - Normal | 103 | kN/m | ISO 34-1 |
| Tear Strength - Parallel | 100 | kN/m | ISO 34-1 |
| Nominal Strain at Break | 800 | % | ISO 527-1/-2 |
| Stress at Break | 29 | MPa | ISO 527-1/-2 |
| Stress at 50% Strain | 6.7 | MPa | ISO 527-1/-2 |
| Tensile Modulus | 45 | MPa | ISO 527-1/-2 |
| Hardness - Shore D (15s) | 33 | - | ISO 7619-1 |
| Stress at 10% Strain | 3.5 | MPa | ISO 527-1/-2 |
| Strain at Break | min. 300 | % | ISO 527-1/-2 |
Electrical Properties
| Value | Units | Test Method / Conditions | |
| Relative Permittivity (100 Hz) | 4.8 | - | IEC 62631-2-1 |
| Relative Permittivity (1 MHz) | 4.7 | - | IEC 62631-2-1 |
| Electric Strength | 18 | kV/mm | STN EN 60243-2 |
| Comparative Tracking Index - CTI | 600 | V | UL 746 |
Flammability
| Value | Units | Test Method / Conditions | |
| FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
| Burning Rate (1 mm, Thickness) | max. 80 | mm/min | ISO 3795 (FMVSS 302) |
Other Properties
| Value | Units | Test Method / Conditions | |
| Humidity Absorption (2 mm) | 0.3 | % | Sim. to ISO 62 |
| Water Absorption (2 mm) | 0.7 | % | Sim. to ISO 62 |
| Density | 1110 | kg/m³ | ISO 1183 |
Processing Information (Extrusion)
| Value | Units | Test Method / Conditions | |
| Melt Temperature Range | 210 - 225 | °C | - |
| Processing Moisture Content | ≤0.06 | % | - |
| Drying Time (Dehumidified Dryer) | 2.0 - 3.0 | h | - |
| Melt Temperature Optimum | 215 | °C | - |
| Drying Temperature | 90 - 110 | °C | - |
Processing Information (Injection Molding)
| Value | Units | Test Method / Conditions | |
| Drying Temperature | 100 | °C | - |
| Drying Recommended | Yes | - | - |
| Drying Time (Dehumidified Dryer) | 2.0 - 3.0 | h | - |
| Processing Moisture Content | ≤0.08 | % | - |
| Melt Temperature Optimum | 225 | °C | - |
| Min. Melt Temperature | 220 | °C | - |
| Max. Melt Temperature | 250 | °C | - |
| Mold Temperature Optimum | 40 | °C | - |
| Min. Mold Temperature | 30 | °C | - |
| Max. Mold Temperature | 40 | °C | - |
VDA Properties
| Value | Units | Test Method / Conditions | |
| Emission of Organic Compounds | 10 | µgC/g | VDA 277 |
| Odour | 4 | 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) | 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 |
Regulatory & Compliance
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Technical Details & Test Data
Stress vs Strain (TPE)
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