PRODUCTOS


Hytrel® 7246 | DuPont TPEE for Injection and Extrusion Processing
Estructura del producto
Hytrel® 7246 Overview
Hytrel® 7246 is a thermoplastic polyester elastomer (TPC-ET) developed by DuPont with excellent flexibility, weatherability and processing compatibility. Widely used in automotive parts, appliance cables, industrial hoses, sports equipment and other applications, Hytrel® 7246 is a representative material for today's convergence of engineering plastics and elastomers.

Hytrel® 7246
01 | Compatible with various processing methods, covering a wider range of production scenarios
Hytrel® 7246 can be applied to a variety of thermal processing methods, which significantly improves the flexibility of production:
✅ Moldeo por inyección: suitable for parts with complex structure and high precision requirements
✅ Moldeo por extrusión: widely used for hoses, cable jackets, profiles, etc.
✅ Thermoforming: easy to form sheet products
✅ Pouring moulding: supports hollow structure or special shape processing.
02 | Flexibility and strength for a wide range of mechanical requirements
Hytrel® 7246 balances ductility and structural rigidity with the following mechanical advantages:
🔹 High elongation at break: suitable for frequent bending or dynamic loading environments
🔹 Good shear modulus and tensile strength: can be used in load-bearing areas such as supports, sheaths, etc.
🔹 Low-temperature impact resistance: can maintain flexibility in cold environments
🔹 Excellent tear resistance: suitable for damage-resistant scenarios such as pipes and protective structures
03 | Expanding the boundaries of material development by applying to a wide range of product forms
Hytrel® 7246 supports the development of a wide range of product forms, covering a number of grades:
📄 Film grade: for flexible packaging, sealing films, etc.
🧱 Sheet grade: for structural supports, abrasion-resistant spacer boards, etc.
🌀 Profile grade: to meet the needs of customised extruded parts 🔹 Low-temperature impact resistance: maintains flexibility in cold environments Extrusions
🧪 Tubing grade: widely used in air hoses, hydraulic hoses, automotive hoses, etc.
04 | Weather and aging resistance, adaptable to harsh outdoor environments
UV-resistant agents are added to the material to improve its durability in outdoor applications:
☀️ UV-resistant: colour and performance remain stable under sun exposure
🌧️ Waterproofing and moisture absorption: water absorption is well controlled, suitable for humid environments
❄️ Extremely low brittleness: flexibility and non-cracking properties, even at temperatures of up to -90°C Extremely low embrittlement temperature: flexible and shatterproof even below -90°C.
05 | Meeting the environmental and safety requirements of modern manufacturing
Hytrel® 7246 offers good material intrinsic safety in the face of increasingly stringent environmental regulations:
🌱 Low VOC emissions: complies with VDA 277 for interior components
🔌 Excelentes propiedades de aislamiento eléctrico: suitable for electronic components such as wires, cables and connectors.
🔥 UL94 HB flame-retardant certification: basic fire protection requirements are met.
06 | Stable Thermal Performance for Medium to High Temperature Applications
The thermal stability of Hytrel® 7246 allows it to be used in high-temperature components such as engine compartments, motor systems, etc.:
🌡️ Vickers Softening Temperature of up to 205°C
♨️ Heat Deflection Temperature (0.45MPa) of 100°C
⚡ Melt Temperature of 218°C, stable moulding window
07 | Typical Application Scenarios
Hytrel® 7246 is suitable for a number of demanding industries thanks to its performance characteristics:
🚗 Industria automotriz: harness wrapping, vibration-damping components, drive belt sheathing
⚙️ Industrial Manufacturing: bellows, hoses, seals, connectors
🏠 Household appliances and electronics: cable sheathing, plug protection, microstructural components
🏂 Sports equipment: snowboard edges, sports equipment components
08 | Hytrel® 7246 Data Sheet
UL | Condición | Estándar | Valor | Unidad | |||
Clasificación de llama | NC 1,5 mm | UL94 | media pensión | ||||
Comportamiento mecánico | Condición | Estándar | Valor | Unidad | |||
Alargamiento | Producir | ISO 527 | 23 | % | |||
Alargamiento | Romper | ISO 527 | 530 | % | |||
Módulo de flexión | ISO 178 | 550 | MPa | ||||
Impacto de muesca Izod | 23ºC | ISO 180 | 38 | kJ/m² | |||
Impacto de muesca Izod | -40°C | ISO 180 | 7 | kJ/m² | |||
Resistencia a la tracción | Romper | ISO 527 | 50 | MPa | |||
Resistencia a la tracción | Producir | ISO 527 | 27 | MPa | |||
Módulo de tracción | ISO 527 | 550 | MPa | ||||
Módulo de fluencia por tracción | 1 hora | ISO 899 | 360 | MPa | |||
Módulo de fluencia por tracción | 1000 horas | ISO 899 | 310 | MPa | |||
Impacto con entalla Charpy | 23ºC | ISO 179 | 36 | kJ/m² | |||
Impacto con entalla Charpy | -30°C | ISO 179 | 8 | kJ/m² | |||
Impacto con entalla Charpy | -40°C | ISO 179 | 7 | kJ/m² | |||
Térmico | Condición | Estándar | Valor | Unidad | |||
HDT | 0,45MPa | ISO 75 | 100 | °C | |||
HDT | 1,8MPa | ISO 75 | 50 | °C | |||
Temperatura de fusión | 10 °C/min | ISO 11357 | 218 | °C | |||
Temperatura de transición vítrea | 10 °C/min | ISO 11357 | 25 | °C | |||
CLE | Fluir | ISO 11359 | 1.8E-4 | cm/cm/°C | |||
CLE | xFlujo | ISO 11359 | 1.7E-4 | cm/cm/°C | |||
Temperatura de ablandamiento Vicat | 50 °C/h 10 N | ISO 306 | 205 | °C | |||
Temperatura de ablandamiento Vicat | 50 °C/h 50 N | ISO 306 | 140 | °C | |||
Propiedad fisica | Condición | Estándar | Valor | Unidad | |||
Absorción de agua | 2,00 mm | ISO 62 | 0.6 | % | |||
Absorción de humedad | 2,00 mm | ISO 62 | 0.2 | % | |||
Contracción | Fluir | ISO 294 | 1.6 | % | |||
Contracción | xFlujo | ISO 294 | 1.6 | % | |||
Densidad | ISO 1183 | 1.26 | gramos/cm³ | ||||
Densidad de fusión | 1.11 | gramos/cm³ | |||||
Índice de fusión | 240°C 2.16kg | ISO 1133 | 13 | g/10min | |||
Índice de fusión | 240°C 2.16kg | ISO 1133 | 12 | cm³/10min | |||
Propiedades electricas | Condición | Estándar | Valor | Unidad | |||
CTI | IEC 60112 | 600 | V | ||||
Constante dieléctrica | 1 MHz | IEC 62631-2-1 | 3.5 | ||||
Constante dieléctrica | 100 Hz | IEC 62631-2-1 | 4 | ||||
Resistividad volumétrica | IEC 62631 | 2E+12 | Ω.cm | ||||
Rigidez dieléctrica | CEI 60243 | 20 | kilovoltios/mm | ||||
Factor de disipación | 1 MHz | IEC 62631-2-1 | 0.03 | ||||
Factor de disipación | 100 Hz | IEC 62631-2-1 | 0.016 | ||||
Resistividad superficial | IEC 62631-3-2 | 1E15 | Ω | ||||
Dureza | Condición | Estándar | Valor | Unidad | |||
Dureza Shore D | 15 segundos | ISO 7619 | 64 | ||||
Inflamabilidad | Condición | Estándar | Valor | Unidad | |||
Clasificación de llama | NC 1,5 mm | UL94 | media pensión |
Looking for the full datasheet? Contact us for more technical information.
09 | Why Choose Hytrel® 7246 from Juyuan
As an international trader of plastic raw materials, Juyuan provides original sources and a complete service system:
🌐 Global sourcing resources to ensure stable supply and original products
🔧 Provide processing suggestions and technical parameter consulting to help customers quickly introduce
📦 Support small batch sample test material, which is convenient for R & D selection and formula validation
💼 Familiar with the industry's compliance requirements, to help customers meet the challenges of international regulations. Regulatory Challenges
10 | Recommended materials in the same category
Fabricante | Modelo | Índice de fusión | Dureza Shore D | Módulo de tracción | Resistencia a la tracción |
DuPont | PC966 NC010 | 9.0g/10min | 63 | 280MPa | 12.0MPa |
DuPont | PC988 NC010 | 82 | 50MPa | ||
DuPont | HTR8730 BK320 | 5.0g/10min | 58 | 270270MPa | 10.0MPa |
Toray DuPont | 7247 | 14g/10min | 72 | 422MPa | 36.3MPa |
Toray DuPont | 2571 | 18g/10min | 72 | 863MPa | 28.4MPa |
DuPont | R8206 | 14cm³/10min | 38 | 80MPa | 3.4MPa |
11 | Frequently Asked Questions (FAQ)
Q: For which processes is Hytrel® 5526 suitable? Are there any special equipment requirements?
A: Hytrel® 5526 can be used for injection and extrusion moulding, and is suitable for most general-purpose thermoplastic elastomer processing equipment without any additional modifications.
Q: Can this material be used in wire sheathing or bellows production?
A: Absolutely. It has good flexibility, UV resistance and thermal stability, making it ideal for extruded products such as hoses, cable jackets and bellows.
Q: Can it be used for automotive structural parts or snap injection moulded parts?
A: It is applicable. The material has good structural toughness and dimensional stability, and can be used to manufacture automotive injection moulded parts that require repeated snap-fit or long-term stress.
Q: Any suggestions for mould design? Is there a large shrinkage?
A: The shrinkage rate is about 1.6%. It is recommended to compensate for this in the mould design, especially for products with high structural accuracy, paying attention to the gate layout and cavity compensation.
📩 For more processing advice, MSDS or sample quotation of Hytrel® 7246, please contact Juyuan Customer Team.
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