Arnitel® EL740

Alternative and trade names
TPC-ET
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Description

Arnitel® is a high-performance ThermoPlastic Copolyester (TPC) that offers you a unique combination of flexibility, high temperature resistance and strength - plus excellent processing characteristics.
In industries ranging from automotive to E&E, Arnitel® is increasingly being as a lighter, smarter, greener alternative to conventional rubbers – reducing environmental impact and ultimately, system costs.
The product is supported by an experienced and knowledgeable global team continuously working on new ideas and applications, as well as exploring new markets. By listening to your needs and understanding your process and products, we develop solutions that make a real difference.

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Arnitel® EL740

This material data has been provided by DSM.

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

PropertyValueConditionTesting Standard

Density

0.83 g/cm³

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dry

ISO 60

1.29 g/cm³

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dry

ISO 1183

Moisture absorption

0.15 %

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dry

Sim. to ISO 62

Water absorption

0.6 %

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dry

Sim. to ISO 62

Mechanical

PropertyTemperatureValueConditionTesting StandardComment

Elastic modulus

0.8 GPa

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dry

ISO 527-1/-2

Elongation

50 %

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dry

ISO 527-1/-2

250 %

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dry

ISO 527-1/-2

Elongation at yield

17 %

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dry

ISO 527-1/-2

Hardness, Shore D

70 [-]

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dry

ISO 868

3s

Impact strength, Charpy notched

-30 °C

6 kJ/m²

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dry

ISO 179/1eA

23 °C

10 kJ/m²

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dry

ISO 179/1eA

Tear strength

215 kN/m

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dry

ISO 34-1; Method B

Tensile strength

43 MPa

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dry

ISO 527-1/-2

Thermal

PropertyValueConditionTesting StandardThicknessPressureComment

Coefficient of thermal expansion

1.65e-06 1/K

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dry

ISO 11359-1/-2

Parallel

1.65e-06 1/K

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dry

ISO 11359-1/-2

Normal

Flammability

HB

dry

IEC 60695-11-10

1.5 mm

UL recognition :Yes

Heat deflection temperature

120 °C

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dry

ISO 75-1/-2

0.45 MPa

Melting point

221 °C

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dry

ISO 11357-1/-3

10°C/min

Relative temperature index, electrical

50 °C

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dry

UL746B

2 mm

Relative temperature index, mechanical impact

50 °C

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dry

UL746B

2 mm

Relative temperature index, mechanical strength

50 °C

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dry

UL746B

2 mm

Thermal diffusivity

5.54e-08 mm²/s

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dry

-

Vicat softening temperature

160 °C

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dry

ISO 306

50°C/h 50N

Electrical

PropertyValueConditionTesting StandardComment

Comparative tracking index

600 V

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dry

IEC 60112

Dielectric constant

3.3 [-]

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dry

IEC 62631-2-1

1MHz

3.7 [-]

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dry

IEC 62631-2-1

100Hz

Dielectric strength

23 kV/mm

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dry

IEC 60243-1

Dissipation factor

300 [-]

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dry

IEC 62631-2-1

1MHz

Volume resistivity

1e+13 Ω·cm

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dry

IEC 62631-3-1

Rheological Properties

PropertyTemperatureValueConditionTesting StandardComment

Density of melt

950 g/cm³

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dry

-

Melt volume-flow rate

230 °C

18 cm³/10min

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dry

ISO 1133

Shrinkage

1.75 %

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dry

Sim. to ISO 294-4

Parallel

2 %

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dry

Sim. to ISO 294-4

Normal

Specific heat capacity melt

1900 J/(kg·K)

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dry

-

Thermal conductivity of melt

0.1 W/(m·K)

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dry

-

Technological properties

Property
Application areas

Screw Drivers and Plyers, Optical Fiber loose buffer tubes, Optical Fiber Cable guides and connectors

Certifications

Yellow Card Available