Hytrel® 4056P

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® 4056P is a low modulus Hytrel® grade with nominal durometer hardness of 40D and with high impact resistance down to -40°C. It is delivered in a powder form.

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.

Ashby charts

Properties

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

0.06 GPa

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ISO 527-1/-2

Elongation

23.0 °C

500 %

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ISO 527-1/-2

Flexural modulus

23.0 °C

0.06 GPa

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ISO 178

Hardness, Shore D

23.0 °C

43 [-]

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max., ISO 7619-1

Poisson's ratio

23.0 °C

0.5 [-]

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Tear strength

23.0 °C

102 kN/m

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ISO 34-1

Tear strength, transverse

23.0 °C

96 kN/m

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ISO 34-1

Tensile strength

23.0 °C

26 MPa

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ISO 527-1/-2

Impact strength, Charpy notched

No Break @ 23,-6°C, ISO 179/1eA

Impact strength, Charpy unnotched

No Break @ 23,-6°C,ISO 179/1eU

Thermal

PropertyValueComment

Glass transition temperature

-50 °C

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ISO 11357-1/-2 | 18°F/min

Melting point

152 °C

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ISO 11357-1/-3 | 18°F/min

Flammability

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

Electrical

PropertyTemperatureValueComment

Comparative tracking index

23.0 °C

600 V

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IEC 60112

Rheological Properties

PropertyValueComment

Melt mass-flow rate

5.6 g/10min

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ISO 1133 | 190°C/2.16kg

Melt volume-flow rate

5 cm³/10min

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ISO 1133

Technological properties

Property
Processing methods

Drying Recommended: yes, Drying Temperature: 80°C, Drying Time, Dehumidified Dryer: 2-3h, Processing Moisture Content: ≤0.08%