Hytrel® HTR8341C BK320

Nombres alternativos y comerciales
TPC-ET
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Description

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, DuPont recommends, 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® HTR8341C BK320 is designed for blow molding or processing techniques requiring high melt viscosity. It has nominal hardness of 40D, is pigmented black with fine particle size carbon black, and contains a general purpose stabilizer. It shows excellent mechanical properties at elevated temperatures, superior fatigue, abrasion, and grease resistance.

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

0.5 %

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Sim. to ISO 62 | 80mil

Coefficient of friction

0.2 [-]

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ASTM 1894 | against steel

Densidad

23.0 °C

1.14 g/cm³

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ISO 1183

Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

23.0 °C

0.49 [-]

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Dureza Shore D

23.0 °C

40 [-]

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max., ISO 7619-1

Elongación

23.0 °C

350 %

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ISO 527-1/-2

Módulo de flexión

23.0 °C

0.08 GPa

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ISO 178

Módulo elástico

23.0 °C

0.08 GPa

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ISO 527-1/-2

Resistencia a desgarros

23.0 °C

110 kN/m

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ISO 34-1

Resistencia a desgarros transversal

23.0 °C

115 kN/m

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ISO 34-1

Resistencia a la tracción

23.0 °C

28 MPa

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ISO 527-1/-2

Resistencia al choque, ensayo Charpy entallado

No Break @ 23,-40°C, ISO179/1A

Resistencia al choque, ensayo Charpy no entallado

No Break @ 23,-6°C, ISO 179/1eA

Resistencia al choque, ensayo Izod no entallado

No Break @ 23°C, ISO 179/1eU

Aplicaciones térmicas

PropertyTemperatureValueComment

Brittleness temperature

-100 °C

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ISO 974

Calor específico

23.0 °C

2100 J/(kg·K)

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of melt

Coeficiente de dilatación térmica

23.0 °C

2.3E-4 1/K

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ISO 11359-1/-2 | -40 - 23°C

Coeficiente de dilatación térmica transversal

23.0 °C

2.4E-4 1/K

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ISO 11359-1/-2 | -40 - 23°C

Difusividad térmica

23.0 °C

0 mm²/s

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Heat deflection temperature, 0.45 MPa

56 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

42 °C

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ISO 75-1/-2

Temperatura de fusión

207 °C

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ISO 11357-1/-3 | 18°F/min

Temperatura de reblandecimiento Vicat

158 °C

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ISO 306 | 90°F, 2 lbf

Temperatura de transición del vidrio

-40 °C

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ISO 11357-1/-2 | 18°F/min

Inflamabilidad

FMVSS Class: B -, Burning rate, Thickness 1 mm: 17 mm/min

Eléctrico

PropertyTemperatureValueComment

Dissipation factor, 100Hz

23.0 °C

0.03 [-]

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IEC 62631-2-1

Dissipation factor, 1MHz

23.0 °C

9.5E-3 [-]

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IEC 62631-2-1

Rigidez dieléctrica

23.0 °C

19 kV/mm

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IEC 60243-1

Surface resistivity

23.0 °C

4.00E+14 Ω/sq

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IEC 62631-3-2

Volume resistivity

23.0 °C

8.00E+12 Ω·cm

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IEC 62631-3-1

Índice de seguimiento comparativo

23.0 °C

600 V

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IEC 60112

Rheological Properties

PropertyTemperatureValueComment

Contracción

23.0 °C

1.6 %

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ISO 294-4, 2577

Contracción transversal

23.0 °C

1.5 %

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ISO 294-4, 2577

Velocidad de flujo de la masa derretida

0.9 g/10min

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ISO 1133 | 230°C/2.16kg

Technological properties

Property
Fillers

Carbon Black

Processing methods

Drying Recommended: yes, Drying Temperature: 100°C, Drying Time, Dehumidified Dryer: 3-4h, Processing Moisture Content: ≤0.08%, Melt Temperature Optimum: 240°C, Min. melt temperature: 230°C, Max. melt temperature: 250°C, Mold Temperature Optimum: 45°C, Min. mold temperature: 40°C, Max. mold temperature: 50°C, Ejection temperature: 145°C