Hytrel® 5555HS

Alternative und Handelsbezeichungen
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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® 5555HS is a medium modulus Hytrel® grade, with nominal durometer hardness of 55D. It is a specially stabilized version of Hytrel® 5556 for superior heat and oil resistance properties.Typical applications: Parts with increased heat-ageing stability and oil and grease resistance such as tubing and hose, wire and cable jackets, film and sheeting, belting. Precautions:Contains a discoloring antioxidant. Not suited for light-colored finished products.

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.
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Eigenschaften

Allgemein

PropertyTemperatureValueComment

Dichte

23.0 °C

1.19 g/cm³

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ISO 1183

Wasserabsorption

23.0 °C

0.7 %

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Sim. to ISO 62 | Immersion 24h

Mechanisch

PropertyTemperatureValueComment

Biegemodul

23.0 °C

0.2 GPa

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ISO 178

Dehnung

23.0 °C

640 %

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ISO 527-1/-2

Druckverformungsrest

70.0 °C

60 [-]

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ISO 815

Elastizitätsmodul

23.0 °C

0.19 GPa

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ISO 527-1/-2

Elongation at yield

23.0 °C

36 %

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ISO 527-1/-2

Härte, Shore D

23.0 °C

55 [-]

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max., ISO 7619-1

Poissonzahl

23.0 °C

0.48 [-]

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Reißfestigkeit

23.0 °C

134 kN/m

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ISO 34-1

Reißfestigkeit, transversal

23.0 °C

124 kN/m

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ISO 34-1

Schlagfestigkeit, Charpy gekerbt

-40.0 °C

14 kJ/m²

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ISO 179/1eA

-6.0 °C

30 kJ/m²

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ISO 179/1eA

Schlagzähigkeit, Izod ungekerbt

-40.0 °C

110 kJ/m²

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ISO 180/1A

Schubmodule

23.0 °C

0.07 GPa

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ISO 6721

Streckgrenze

23.0 °C

15 MPa

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ISO 527-1/-2

Zugfestigkeit

23.0 °C

35 MPa

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ISO 527-1/-2

Schlagzähigkeit, Charpy ungekerbt

No Break @ 23°C, ISO 179/1eU

Thermisch

PropertyTemperatureValueComment

Brittleness temperature

-80 °C

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ISO 974

Heat deflection temperature, 0.45 MPa

78 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

51 °C

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ISO 75-1/-2

Koeffizient der thermischen Ausdehnung

23.0 °C

1.8E-4 1/K

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ISO 11359-1/-2

Relative temperature index, electrical

90 °C

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UL 746B | 120mil

Relative temperature index, mechanical impact

85 °C

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UL 746B | 120mil

Relative temperature index, mechanical strength

85 °C

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UL 746B | 120mil

Schmelzpunkt

201 °C

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ISO 11357-1/-3 | 18°F/min

Temperaturleitfähigkeit

23.0 °C

0 mm²/s

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Vicat-Erweichungstemperatur

177 °C

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ISO 306 | 90°F, 2 lbf

thermischer Ausdehnungskoeffizient, transversal

23.0 °C

1.8E-4 1/K

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ISO 11359-1/-2

Entflammbarkeit

Burning Behav. at 60mil nom. thickn.: HB class, Thickness tested: 1.5 mm, UL recognition: yes -, Burning Behav. at thickness h: HB class, Thickness tested: 3 mm, UL recognition: yes -, Oxygen index: 20 %, FMVSS Class: SE -

Elektrisch

PropertyTemperatureValueComment

Kriechstromfestigkeit

23.0 °C

600 V

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IEC 60112

Rheological Properties

PropertyTemperatureValueComment

Schmelzmassenflussrate

8.5 g/10min

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ISO 1133 | 220°C/2.16kg

Schmelzvolumenflussrate

8.5 cm³/10min

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ISO 1133

Schrumpfung

23.0 °C

1.3 %

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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: 100°C, Drying Time, Dehumidified Dryer: 2-3h, Processing Moisture Content: ≤0.08%, Melt Temperature Optimum: 230°C, Min. melt temperature: 220°C, Max. melt temperature: 250°C, Mold Temperature Optimum: 45°C, Min. mold temperature: 45°C, Max. mold temperature: 55°C