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Core Concept:
Plasticizer-Free TPEE is a thermoplastic elastomer that possesses inherent flexibility without requiring the addition of any external plasticizing chemicals. This fundamental property gives it significant advantages over materials like PVC that rely on plasticizers to become soft and flexible.
Direct Comparison: Plasticizer-Free TPEE vs. Plasticized PVC
| Property | Plasticizer-Free TPEE | Plasticized PVC |
|---|---|---|
| Flexibility Mechanism | Inherent molecular structure | Added chemical plasticizers |
| Long-Term Flexibility | Excellent (Permanent) | Poor (Becomes brittle over time) |
| Extraction/Leaching | None | Yes, a major concern |
| Low-Temperature Performance | Excellent | Fair to Poor |
| Abrasion & Tear Resistance | Very High | Moderate |
| Heat Resistance | High | Moderate (can soften) |
TPEE (Thermoplastic Polyester Elastomer) has a wide range of applications. The following is an introduction to its main application areas and corresponding product pictures:
Hytrel® 7246
THERMOPLASTIC POLYESTER ELASTOMER
Common features of Hytrel® thermoplastic polyester elastomer include mechanical and physical properties such as exceptional toughness and
resilience, high resistance to creep, impact and flex fatigue, flexibility at low temperatures and good retention of properties at elevated temperatures. In addition, it resists many industrial chemicals, oils and solvents. Special grades include heat stabilised, flame retardant, food contact compliant,
blow molding and extrusion grades. Concentrates offered include black pigments, UV protection additives, heat stabilisers, and flame retardants.
Hytrel® thermoplastic polyester elastomer is plasticiser free.
The good melt stability of Hytrel® thermoplastic polyester elastomer normally enables the recycling of properly handled production waste. If
recycling is not possible, we recommend, as the preferred option, incineration with energy recovery (-24 kJ/g of base polymer) in appropriately equipped installations.
For disposal, local regulations have to be observed.
Hytrel® thermoplastic polyester elastomer typically is used in demanding applications in the automotive, fluid power, electrical/electronic, consumer goods, appliance and power tool, sporting goods, furniture, industrial and off-road transportation/equipment industry.
| Hytrel® 7246 is a high modulus grade with nominal hardness of 72D. It contains non-discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion. |
The 72 Shore D hardness is based on a legacy method and is still used for grade identification purposes.
Typical applications:
Tubing, wire and cable jackets, gears and sprockets, oil field parts.
Product information
| Resin Identification Part Marking Code ISO designation |
TPC ET >TPC-ET< ISO 20029-TPC-ET,,GLN,70-22-075 |
ISO 1043 ISO 11469 |
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| Rheological properties | |||
| Melt volume-flow rate | 12 | cm³/10min | ISO 1133 |
| Temperature | 240 | °C | |
| Load | 2.16 | kg | |
| Melt mass-flow rate | 13 | g/10min | ISO 1133 |
| Melt mass-flow rate, Temperature | 240 | °C | |
| Melt mass-flow rate, Load | 2.16 | kg | |
| Moulding shrinkage, parallel | 1.6 | % | ISO 294-4, 2577 |
| Moulding shrinkage, normal | 1.6 | % | ISO 294-4, 2577 |
| Typical mechanical properties | |||
| Tensile modulus | 550 | MPa | ISO 527-1/-2 |
| Tensile stress at yield | 27 | MPa | ISO 527-1/-2 |
| Tensile strain at yield | 23 | % | ISO 527-1/-2 |
| Stress at 5% strain | 14 | MPa | ISO 527-1/-2 |
| Stress at 10% strain | 23 | MPa | ISO 527-1/-2 |
| Tensile stress at 50% strain, 1BA | 24 | MPa | ISO 527-1/-2 |
| Tensile stress at break | 50 | MPa | ISO 527-1/-2 |
| Nominal strain at break | 530 | % | ISO 527 1/ 2 |
| Tensile strain at break | >300 | % | ISO 527-1/-2 |
| Flexural modulus | 550 | MPa | ISO 178 |
| Shear Modulus | 280 | MPa | ISO 6721 |
| Tensile creep modulus, 1h | 360 | MPa | ISO 899-1 |
| Tensile creep modulus, 1000h | 310 | MPa | ISO 899-1 |
| Charpy notched impact strength, 23°C | 36 | kJ/m² | ISO 179/1eA |
| Charpy notched impact strength, -30°C | 8 | kJ/m² | ISO 179/1eA |
| Charpy notched impact strength, -40°C | 7 | kJ/m² | ISO 179/1eA |
| Tensile notched impact strength, 23°C | 300 | kJ/m² | ISO 8256/1 |
| Izod notched impact strength, 23°C | 38 | kJ/m² | ISO 180/1A |
| Izod notched impact strength, -40°C | 7.0 | kJ/m² | ISO 180/1A |
| Brittleness temperature | -97 | °C | ISO 974 |
| Shore D hardness, 15s | 64 | ISO 48-4 / ISO 868 | |
| Shore D hardness, max | 68 | ISO 868 | |
| Tear strength, parallel | 180 | kN/m | ISO 34-1 |
| Tear strength, normal | 170 | kN/m | ISO 34-1 |
| Abrasion resistance | 100 | mm³ | ISO 4649 |
| Thermal properties | |||
| Melting temperature, 10°C/min | 218 | °C | ISO 11357-1/-3 |
| Glass transition temperature, 1 Hz | 32 | °C | ISO 6721 |
| Temperature of deflection under load, 1.8 MPa | 50 | °C | ISO 75-1/-2 |
| Temperature of deflection under load, 0.45 MPa | 100 | °C | ISO 75-1/-2 |
| Vicat softening temperature, 50°C/h 50N | 140 | °C | ISO 306 |
| Vicat softening temperature, 50°C/h 10N | 205 | °C | ISO 306 |
| Coeff. of linear therm. expansion, parallel, -40-23°C | 120 | E-6/K | ISO 11359-1/-2 |
| Coefficient of linear thermal expansion (CLTE), parallel |
180 | E-6/K | ISO 11359-1/-2 |
| Coeff. of linear therm. expansion, normal, -40-23°C | 130 | E-6/K | ISO 11359-1/-2 |
| Coefficient of linear thermal expansion (CLTE), normal | 170 | E-6/K | ISO 11359-1/-2 |
| Thermal conductivity of melt | 0.15 | W/(m K) | ISO 22007-2 |
| Effective thermal diffusivity, flow | 8E-8 | m²/s | ISO 22007-4 |
| Specific heat capacity of melt | 2150 | J/(kg K) | ISO 22007-4 |
| RTI, electrical, 1.5mm | 85 | °C | UL 746B |
| RTI, impact, 1.5mm | 85 | °C | UL 746B |
| RTI, strength, 1.5mm | 75 | °C | UL 746B |
| Flammability | |||
| Burning Behav. at 1.5mm nom. thickn. | HB | class | IEC 60695-11-10 |
| Thickness tested | 1.5 | mm | IEC 60695-11-10 |
| UL recognition | yes | UL 94 | |
| Oxygen index | 23 | % | ISO 4589-1/-2 |
| FMVSS Class | DNI | ISO 3795 (FMVSS 302) | |
| Nominal strain at break | 530 | % | ISO 527 1/ 2 |
| Tensile strain at break | >300 | % | ISO 527-1/-2 |
| Flexural modulus | 550 | MPa | ISO 178 |
| Shear Modulus | 280 | MPa | ISO 6721 |
| Tensile creep modulus, 1h | 360 | MPa | ISO 899-1 |
| Tensile creep modulus, 1000h | 310 | MPa | ISO 899-1 |
| Charpy notched impact strength, 23°C | 36 | kJ/m² | ISO 179/1eA |
| Charpy notched impact strength, -30°C | 8 | kJ/m² | ISO 179/1eA |
| Charpy notched impact strength, -40°C | 7 | kJ/m² | ISO 179/1eA |
| Tensile notched impact strength, 23°C | 300 | kJ/m² | ISO 8256/1 |
| Izod notched impact strength, 23°C | 38 | kJ/m² | ISO 180/1A |
| Izod notched impact strength, -40°C | 7.0 | kJ/m² | ISO 180/1A |
| Brittleness temperature | -97 | °C | ISO 974 |
| Shore D hardness, 15s | 64 | ISO 48-4 / ISO 868 | |
| Shore D hardness, max | 68 | ISO 868 | |
| Tear strength, parallel | 180 | kN/m | ISO 34-1 |
| Tear strength, normal | 170 | kN/m | ISO 34-1 |
| Abrasion resistance | 100 | mm³ | ISO 4649 |
| Thermal properties | |||
| Melting temperature, 10°C/min | 218 | °C | ISO 11357-1/-3 |
| Glass transition temperature, 1 Hz | 32 | °C | ISO 6721 |
| Temperature of deflection under load, 1.8 MPa | 50 | °C | ISO 75-1/-2 |
| Temperature of deflection under load, 0.45 MPa | 100 | °C | ISO 75-1/-2 |
| Vicat softening temperature, 50°C/h 50N | 140 | °C | ISO 306 |
| Vicat softening temperature, 50°C/h 10N | 205 | °C | ISO 306 |
| Coeff. of linear therm. expansion, parallel, -40-23°C | 120 | E-6/K | ISO 11359-1/-2 |
| Coefficient of linear thermal expansion (CLTE), parallel |
180 | E-6/K | ISO 11359-1/-2 |
| Coeff. of linear therm. expansion, normal, -40-23°C | 130 | E-6/K | ISO 11359-1/-2 |
| Coefficient of linear thermal expansion (CLTE), normal | 170 | E-6/K | ISO 11359-1/-2 |
| Thermal conductivity of melt | 0.15 | W/(m K) | ISO 22007-2 |
| Effective thermal diffusivity, flow | 8E-8 | m²/s | ISO 22007-4 |
| Specific heat capacity of melt | 2150 | J/(kg K) | ISO 22007-4 |
| RTI, electrical, 1.5mm | 85 | °C | UL 746B |
| RTI, impact, 1.5mm | 85 | °C | UL 746B |
| RTI, strength, 1.5mm | 75 | °C | UL 746B |
| Flammability | |||
| Burning Behav. at 1.5mm nom. thickn. | HB | class | IEC 60695-11-10 |
| Thickness tested | 1.5 | mm | IEC 60695-11-10 |
| UL recognition | yes | UL 94 | |
| Oxygen index | 23 | % | ISO 4589-1/-2 |
| FMVSS Class | DNI | ISO 3795 (FMVSS 302) |
| Relative permittivity, 100Hz | 4 | IEC 62631 2 1 | |
| Relative permittivity, 1MHz | 3.5 | IEC 62631-2-1 | |
| Dissipation factor, 100Hz | 160 | E-4 | IEC 62631-2-1 |
| Dissipation factor, 1MHz | 300 | E-4 | IEC 62631-2-1 |
| Volume resistivity | 2E10 | Ohm.m | IEC 62631-3-1 |
| Surface resistivity | >1E15 | Ohm | IEC 62631-3-2 |
| Electric strength | 20 | kV/mm | IEC 60243-1 |
| Comparative tracking index | 600 | IEC 60112 | |
| Physical/Other properties | |||
| Humidity absorption, 2mm | 0.2 | % | Sim. to ISO 62 |
| Water absorption, 2mm | 0.6 | % | Sim. to ISO 62 |
| Water absorption, Immersion 24h | 0.3 | % | Sim. to ISO 62 |
| Density | 1260 | kg/m³ | ISO 1183 |
| Density of melt | 1110 | kg/m³ | |
| VDA properties | |||
| Light stability delta l | -3 | DIN 53236 | |
| Light stability delta a | -0.1 | DIN 53236 | |
| Light stability delta b | 15 | DIN 53236 | |
| Light stability delta E | 16 | DIN 53236 | |
| Emission of organic compounds | 300 | µgC/g | VDA 277 |
| Injection | |||
| Drying Recommended | yes | ||
| Drying Temperature | 110 | °C | |
| Drying Time, Dehumidified Dryer | 2 - 3 | h | |
| Processing Moisture Content | ≤0.08 | % | |
| Melt Temperature Optimum | 245 | °C | |
| Min. melt temperature | 235 | °C | |
| Max. melt temperature | 255 | °C | |
| Mold Temperature Optimum | 50 | °C | |
| Min. mould temperature | 45 | °C | |
| Max. mould temperature | 55 | °C | |
| Hold pressure range | ≤70 | MPa | |
| Ejection temperature | 149 | °C | |
| Extrusion | |||
| Drying Temperature | 100 - 120 | °C | |
| Drying Time, Dehumidified Dryer | 2 - 3 | h | |
| Processing Moisture Content | ≤0.06 | % | |
| Melt Temperature Optimum | 235 | °C | |
| Melt Temperature Range | 225 - 245 | °C |
| OEM | STANDARD | ADDITIONAL INFORMATION |
| General Motors | GMW17186P-TPC-ET-Type 2 | |
| General Motors | GMW17327P-TPC-ET-Type 5 | |
| Hyundai | MS220-24 Type B | |
| Mercedes-Benz | DBL5562.50 TPC | |
| Stellantis - Chrysler | MS-DB-448 / CPN-2312 | Natural |
| Stellantis - Chrysler | MS-DB-448 / CPN-2760 | Black |
| Stellantis - Chrysler | MS-DB-448 / CPN-5033 | Natural |
| VW Group | VW 50123 TPC-ET 55D |
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COMTPVNY INFORMATION
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| Our comTPVny is a plastic manufacturer and agent for internationally renowned brands: 1. Kunshan Lizhao Plastic Co., Ltd. Was established in 2009 with a registered capital of 21.24 million yuan and an area of 20, 000 square meters. Our comTPVny has 14 high-speed production lines and 3 R&D experimental production lines, with a monthly production caTPVcity of 3, 500 tons. Our comTPVny specializes in R&D and production of PP PBT TPV TPV6 PTPV PC PC/TPV. The comTPVny has first-class production equipment and is equipped with professional product laboratories, testing rooms, and sample warehouses. We always adhere to the principle of "quality first" and strive for perfection. Our comTPVny has IS09001: 2008 quality system certification and ISO/TS16949-2009 automotive quality system certification. The comTPVny starts from selecting the best raw materials and standardizes, processes and institutionalizes product processing. Our materials are widely used in automobile manufacturing, household appliances, communication electronics, industrial equipment and other industries. 2. Suzhou Furenxiang Trading Co., Ltd. Was established in 2016 and is committed to the import and export of our own materials and internationally renowned brand materials. Sales brands include: DuPont, Covestro, , Polytechnic, , Asahi Kasei, Teijin, LG EMS. Model types include: PP PC PC/TPV TPV PPO PBT TPV TPV TPV6 PTPV LCP TPE TPU ASA PCR (PC/TPV PC/PET), etc. |
