Hytrel® HTR8808

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Description

Hytrel® by DuPont™ is a family of high performance thermoplastic elastomers that incorporates the most useful characteristics and material properties of elastomers and plastics, including excellent toughness, creep and impact resistance, resilience and fatigue strength. Hytrel® HTR8808 is a high-temperature thermoplastic polyester elastomer (TPEE) grade that shows outstanding balance of heat resistance and stiffness, high flexibility and pressure resistance. It is convenient for processing by blow moulding and is recommended for pressurized air ducts for turbo gasoline engines. HTR8808 is cyclically flexible in different directions and is highly durable, which makes an important ingredient in components in the automotive industry.

Los datos sobre este material han sido proporcionados por Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValueComment

Absorción de agua

23.0 °C

0.02 - 0.04 %

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DIN EN ISO 62, 24h-96h

Densidad

23.0 °C

1.16 g/cm³

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ISO 1183

Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

23.0 °C

0.48 [-]

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Dureza Shore D

23.0 °C

60 [-]

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max., ISO 7619-1

Elongación

23.0 °C

260 %

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ISO 527-1,ISO 527-2

Hardness, Ball Indentation

23.0 °C

115 MPa

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ISO 2039-1

Módulo de compresión

23.0 °C

2.8 MPa

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EN ISO 604

Módulo de flexión

23.0 °C

0.27 GPa

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ISO 178

Módulo elástico

23.0 °C

0.27 GPa

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ISO 527-1, ISO 527-2

Resistencia a desgarros

23.0 °C

140 kN/m

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ISO 34-1

Resistencia a desgarros transversal

23.0 °C

130 kN/m

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ISO 34-1

Resistencia a la compresión

23.0 °C

20 - 76 MPa

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EN ISO 604, 1%-5%

Resistencia a la tracción

23.0 °C

33 MPa

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ISO 527-1,ISO 527-2

Resistencia al choque, ensayo Charpy entallado

-40.0 °C

7 kJ/m²

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ISO 179/1eA

-30.0 °C

12 kJ/m²

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ISO 179/1eA

23.0 °C

102 kJ/m²

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ISO 179/1eA

Resistencia al choque, ensayo Charpy no entallado

23.0 °C

37 kJ/m²

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DIN EN ISO 179-1eU

Resistencia al choque, ensayo Izod entallado

-40.0 °C

7 kJ/m²

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ISO 180/1A

Aplicaciones térmicas

PropertyTemperatureValueComment

Brittleness temperature

-65 °C

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ISO 974

Coeficiente de dilatación térmica

23.0 °C

2E-4 1/K

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ISO 11359-1/2, for -40 to 23°C

Coeficiente de dilatación térmica transversal

23.0 °C

1.8E-4 1/K

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ISO 11359-1/2, for -40 to 23°C

Heat deflection temperature, 0.45 MPa

65 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

45 °C

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ISO 75-1/-2

Temperatura de fusión

215 °C

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ISO 11357-1, ISO 11357-3, 18°F/min

Temperatura de reblandecimiento Vicat

60 - 195 °C

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ISO 306, respectively for 90°F/h, 11lbf and 90°F/h, 2lbf

Temperatura de transición del vidrio

15 °C

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ISO 11357-1, ISO 11357-2, 18°F/min

Inflamabilidad

B ISO 3795 (FMVSS 302)

Rheological Properties

PropertyTemperatureValueComment

Contracción

23.0 °C

2.4 %

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ISO 294-4, ISO 2577

Contracción transversal

23.0 °C

2.2 %

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ISO 294-4, ISO 2577

Velocidad de flujo de la masa derretida

4 g/10min

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ISO 1133, 240°C/10Kg

Technological properties

Property
Application areas

Cable insulation and jacketing, Chassis suspension Systems, Food Contact Materials, Innovative Furniture Design, Mechanical Gears, Medical Device Materials, Mobile Phone Housing & Components, Plastics For Sporting Goods, Polymers for Oil and Gas, Railway Technology for the Long Haul, Seals and Gaskets, Sustainability in Airbag Systems, Thermoplastic Tubing and Elastomeric Hose

Corrosion properties

In Acetic Acid, 5% loss by massa at 23°C

Processing methods

Blow Molding, Drying Temperature: 80°C, Drying Time: 6-8hr, Processing Moisture Content: <0.03%, Melt Temperature: 235-250°C (Optimum:245°C), Swell Ratio: 1.6, Molding Temperature: 40-60°C (Optimum: 45)