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Arnitel® EM740-H

1 of 93 products in this brand
Arnitel® EM740-H is a high-performance thermoplastic copolyester (TPC) renowned for its exceptional blend of flexibility, high temperature resistance, and strength, complemented by excellent processing characteristics. In industries spanning from automotive to E&E, it is gaining prominence as a more sustainable and efficient alternative to traditional rubbers, leading to reduced environmental impact and lower system costs. This material can be processed using both extrusion and injection molding technologies and includes heat stabilization for enhanced performance.

Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)

Processing Methods: Extrusion, Injection Molding

Density: 1290.0 - 1290.0 kg/m³

Strain at Break: 570.0 - 570.0 %

Flexural Modulus: 940.0 - 940.0 MPa

Technical Data Sheet
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Identification & Functionality

Additives Included
Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Flexural Modulus940MPaISO 178
Charpy Impact Strength (at +23°C)NkJ/m²ISO 179/1eU
Charpy Impact Strength (at -30°C)NkJ/m²ISO 179/1eU
Izod Notched Impact Strength (at +23°C)18kJ/m²ISO 180/1A
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)221°CISO 11357-1/-3
Glass Transition Temperature from DMTA (E)110°CASTM D5026/D7028
Electrical Properties
ValueUnitsTest Method / Conditions
Relative Permittivity (1 MHz)3.8IEC 62631-2-1
Volume Resistivity>1E13Ohm*mIEC 62631-3-1
Comparative Tracking Index600VIEC 60112
Other Properties
ValueUnitsTest Method / Conditions
Water Absorption0.6%Sim. to ISO 62
Humidity Absorption0.15%Sim. to ISO 62
Density1290kg/m³ISO 1183
Mechanical Properties (Die Cutting)
ValueUnitsTest Method / Conditions
Stress at Break (normal)58MPaISO 527-1/-2
Strain at Break (normal)570%ISO 527-1/-2
Tear Strength (normal)224kN/mISO 34-1; Method B
Tear Strength (parallel)228kN/mISO 34-1; Method B
Mechanical Properties (TPE)
ValueUnitsTest Method / Conditions
Tensile Modulus900MPaISO 527-1/-2
Stress at 10% strain33MPaISO 527-1/-2
Stress at 100% strain28MPaISO 527-1/-2
Stress at Break45MPaISO 527-1/-2
Strain at Break>300%ISO 527-1/-2
Nominal Strain at Break360%ISO 527-1/-2
Compression Set Under Constant Strain (at 70°C)55%ISO 815
Shore D Hardness (3s)71ISO 868
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Volume-Flow Rate (at 230 / * °C, 2.16 / * kg)4cm³/10minISO 1133

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Chemical Resistance
Chemical TypeChemical NameResistance
OtherAcetic acid (10% by mass) at 23°Cresistant
KetonesAcetone at 23°Cresistant
OtherAmmonium hydroxide (10% by mass) at 23°Climited resistant, tests necessary to verify
OtherASTM 1 at 23°Cresistant
OtherASTM 3 at 23°Cresistant
OtherBrake fluids (DOT 3/4) at 23°Cnot resistant
OtherCalcium chloride (10% by mass) at 23°Climited resistant, tests necessary to verify
OtherChloroform at 23°Cnot resistant
EthersDiethyl ether at 23°Climited resistant, tests necessary to verify
AlcoholsEthanol at 23°Climited resistant, tests necessary to verify
OtherEthyl Acetate at 23°Climited resistant, tests necessary to verify
OtherFuel; Diesel at 85°Cresistant
OtherHydrochloric acid (10% by mass) at 23°Cresistant
OtherHydrogen peroxide (30% by mass) at 23°Climited resistant, tests necessary to verify
OtherNitric acid (10% by mass) at 23°Cresistant
OtherPhosphoric acid (10% by mass) at 23°Cresistant
OtherSodium hydroxide (10% by mass) at 23°Cresistant
OtherSulfuric acid (30% by mass) at 23°Cresistant
OtherTetrachloroethylene at 23°Climited resistant, tests necessary to verify
HydrocarbonsToluene at 23°Cresistant
OtherTransformer oil at 23°Cnot resistant
OtherTrichloroethylene at 23°Cnot resistant
OtherWater at 23°Cresistant
OtherZinc chloride (10% by mass) at 23°Cresistant
Stress-Strain (TPE)

DSM Engineering Materials Arnitel EM740-H Stress-Strain (TPE)

Packaging & Availability