Hytrel® 8238HS NCB010

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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® 8238 is the highest modulus grade, with nominal hardness of 82D. It contains non-discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion.Typical applications: Cubing, wire and cable, gears, sprockets, electrical connectors and oil field parts.

Diese Materialdaten wurden von Matmatch zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

Ashby charts

Eigenschaften

Mechanisch

PropertyTemperatureValueComment

Biegemodul

23.0 °C

1.04 GPa

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ISO 178

Dehnung

23.0 °C

250 %

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ISO 527-1/-2

Elastizitätsmodul

23.0 °C

1.05 GPa

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ISO 527-1/-2

Elongation at yield

23.0 °C

19 %

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ISO 527-1/-2

Härte, Shore D

23.0 °C

71 [-]

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max., ISO 7619-1

Poissonzahl

23.0 °C

0.45 [-]

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Schlagfestigkeit, Charpy gekerbt

-40.0 °C

3.5 kJ/m²

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ISO 179/1eA

23.0 °C

5.5 kJ/m²

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ISO 179/1eA

Streckgrenze

23.0 °C

38 MPa

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ISO 527-1/-2

Zugfestigkeit

23.0 °C

49 MPa

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ISO 527-1/-2

Rheological Properties

PropertyTemperatureValueComment

Schrumpfung

23.0 °C

1.4 %

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ISO 294-4, 2577

Schrumpfung, diagonal

23.0 °C

1.4 %

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ISO 294-4, 2577

Technological properties

Property
Processing methods

Drying Recommended: yes, Drying Temperature: 110°C, Drying Time, Dehumidified Dryer: 2-3h, Processing Moisture Content: ≤0.08%, Melt Temperature Optimum: 250°C, Min. melt temperature: 245°C, Max. melt temperature: 260°C, Mold Temperature Optimum: 45°C, Min. mold temperature: 45°C, Max. mold temperature: 55°C, Hold pressure range: ≥70MPa