Hytrel® 7246HS NC010

Alternative and trade names
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® 7246HS NC010 is a high modulus, heat stabilized grade with nominal hardness of 72D. Typical applications: Tubing, wire and cable jackets, gears and sprockets, oil field parts.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.25 g/cm³

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ISO 1183

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

0.48 GPa

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ISO 527-1/-2

Elongation

23.0 °C

550 %

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ISO 527-1/-2

Elongation at yield

23.0 °C

22 %

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ISO 527-1/-2

Flexural modulus

23.0 °C

0.5 GPa

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ISO 178

Hardness, Shore D

23.0 °C

70 [-]

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max., ISO 7619-1

Impact strength, Charpy notched

-40.0 °C

4 kJ/m²

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ISO 179/1eA

23.0 °C

35 kJ/m²

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ISO 179/1eA

Poisson's ratio

23.0 °C

0.47 [-]

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Tear strength

23.0 °C

180 kN/m

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ISO 34-1

Tear strength, transverse

23.0 °C

165 kN/m

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ISO 34-1

Tensile strength

23.0 °C

50 MPa

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ISO 527-1/-2

Yield strength

23.0 °C

30 MPa

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ISO 527-1/-2

Thermal

PropertyValueComment

Brittleness temperature

-67 °C

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ISO 974

Glass transition temperature

25 °C

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ISO 11357-1/-2 | 18°F/min

Melting point

216 °C

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ISO 11357-1/-3 | 18°F/min

Vicat softening temperature

205 °C

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ISO 306 | 90°F, 2 lbf

Flammability

FMVSS Class: B -, Burning rate, Thickness 1 mm: <80 mm/min

Rheological Properties

PropertyTemperatureValueComment

Shrinkage

23.0 °C

1.6 %

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ISO 294-4, 2577

Shrinkage, transverse

23.0 °C

1.6 %

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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: 245°C, Min. melt temperature: 235°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