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Arnitel® EM400/U

1 of 93 products in this brand
Arnitel® EM400/U is a high-performance thermoplastic copolyester (TPC) known for its exceptional blend of flexibility, high temperature resistance, and strength, complemented by excellent processing characteristics. Across industries such as automotive and 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 meets the requirements for food contact quality.

Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)

Processing Methods: Extrusion, Injection Molding

End Uses: Belts & Belt Repair, Conveyor Parts

Density: 1110.0 - 1110.0 kg/m³

Strain at Break: 300.0 - 300.0 %

Technical Data Sheet
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Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Yield Stress6MPaISO 527-1/-2
Yield Strain50%ISO 527-1/-2
Nominal Strain at Break>50%ISO 527-1/-2
Charpy Notched Impact Strength (at +23°C)NkJ/m²ISO 179/1eA
Charpy Notched Impact Strength (at -30°C)NkJ/m²ISO 179/1eA
Izod Notched Impact Strength (at +23°C)NkJ/m²ISO 180/1A
Izod Notched Impact Strength (at -20°C)NkJ/m²ISO 180/1A
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)195°CISO 11357-1/-3
Glass Transition Temperature (at 10°C/min)-73°CISO 11357-1/-2
Other Properties
ValueUnitsTest Method / Conditions
Density1110kg/m³ISO 1183
Mechanical Properties (TPE)
ValueUnitsTest Method / Conditions
Tensile Modulus40MPaISO 527-1/-2
Stress at 10% strain3MPaISO 527-1/-2
Stress at 100% strain6.6MPaISO 527-1/-2
Stress at Break20MPaISO 527-1/-2
Strain at Break>300%ISO 527-1/-2
Shore D Hardness (15s)33ISO 868
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Flow Index (at 2.16 / * kg)32g/10minISO 1133
Molding Shrinkage (parallel)1.5%Sim. to ISO 294-4
Molding Shrinkage (normal)1.5%Sim. to ISO 294-4

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

Packaging & Availability