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Elmet Technologies

Envalior Arnitel® EL740-H/A Injection Molding; Extrusion Grade Copolyester Elastomer (North America)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE; Polyester, TP

Material Notes: Arnitel® combines the advantages of engineering thermoplastics, being easy to process with excellent mechanical properties, at the same time with the flexibility of rubbers.

Arnitel does not require vulcanization. This leads to substantial reductions in part cost. Arnitel can be used over a wide range of temperatures. Arnitel has exceptional fatigue, creep resistance and resistance to oils, greases and many other chemicals.

Characteristics of Arnitel:

  • Excellent strength over a wide range of temperatures
  • Excellent dynamic properties e.g. creep and fatigue
  • High heat resistance
  • Exceptional resistance to oils and greases
  • Good chemical resistance
  • High degree of versatility in processing
  • Easy coloring using masterbatches
  • Surface quality from high gloss to textured
  • Excellent heat resistance (long term 165°C)
  • Good electrical insulation properties
  • Low moisture absorption, excellent dimensional stability
  • Easy flow, fast cooling times

Typical Applications:

  • Automotive: Arnitel® is extensively used in the automotive industry for applications requiring exceptional fatigue resistance and resistance to oil and greases. Examples are: Rack and Pinion Bellows, Constant Velocity Joint Boots (CVJ Boots), Air brake tubings.
  • Arnitel in the Electronic and Consumer Goods Industry: Arnitel® finds enormous potential and is also widely used in consumer electronic companies. Arnitel® is a good choice for low noise gears where their exceptional processability without any defects such as flash, makes it the material solution of choice. Arnitel® is also used in highly demanding applications such as in mobile phone antennas.

Arnitel® has exceptional flexibility and can perform or even outperform functions that normally require conventional rubbers. Available in a wide range of hardnesses, Arnitel can replace metals, thermoplastics, leather and rubber, often with a reduction in finished part costs.

Information provided by DSM.

Former DSM Engineering Plastics product line is now with Envalior.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.27 g/cc0.0459 lb/in³ISO 1183
Water Absorption 0.60 %0.60 %Sim. to ISO 62
Moisture Absorption at Equilibrium 0.15 %0.15 %Humidity Absorption; Sim. to ISO 62
 
Mechanical PropertiesMetricEnglishComments
Tensile Stress at Strain 34.0 MPa
@Strain 10 %
4930 psi
@Strain 10 %
ISO 527-1/-2
Elongation at Break 250 %250 %ISO 527-1/-2
Elongation at Yield 20 %20 %ISO 527-1/-2
Tensile Modulus 1.10 GPa160 ksiISO 527-1/-2
Charpy Impact, Notched  0.400 J/cm²
@Temperature -30.0 °C
1.90 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eA
 1.00 J/cm²
@Temperature 23.0 °C
4.76 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 110 µm/m-°C
@Temperature 20.0 °C
61.1 µin/in-°F
@Temperature 68.0 °F
ISO 11359-1/-2
CTE, linear, Transverse to Flow 110 µm/m-°C
@Temperature 20.0 °C
61.1 µin/in-°F
@Temperature 68.0 °F
ISO 11359-1/-2
Melting Point 220 °C428 °F10°C/min; ISO 11357-1/-3
Flammability, UL94 HB
@Thickness 1.60 mm
HB
@Thickness 0.0630 in
IEC 60695-11-10
 
Descriptive Properties
Heat stabilized or stable to heatYes
High impact or impact modifiedYes
Injection MoldingYes
Other ExtrusionYes
Without fillersYes

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PDSMA206 / 31079

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