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Arnitel® EL550-08

1 of 93 products in this brand
Arnitel® EL550-08 is a high-performance thermoplastic copolyester (TPC) with exceptional flexibility, high temperature resistance, and strength. This innovative material provides excellent processing characteristics and serves as a lighter, smarter, and greener alternative to conventional rubbers, particularly in automotive and E&E industries. This leads to reduced environmental impact and system costs. Arnitel® EL550-08 is suitable for injection molding processes and meets food contact quality standards.

Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)

Processing Methods: Injection Molding

End Uses: Caps, Closures, Pump Parts

Density: 1200.0 - 1200.0 kg/m³

Strain at Break: 640.0 - 640.0 %

Technical Data Sheet
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Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Yield Stress14MPaISO 527-1/-2
Yield Strain33%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)25kJ/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
Tensile Notched Impact Strength (at +23°C)216kJ/m²ISO 8256/1
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)204°CISO 11357-1/-3
Glass Transition Temperature (at 10°C/min)-64°CISO 11357-1/-2
Temperature of Deflection Under Load (0.45 MPa)110°CISO 75-1/-2
Vicat Softening Temperature (50°C/h 50N)90°CISO 306
Coefficient of Linear Thermal Expansion (parallel)2E-4/°CISO 11359-1/-2
Coefficient of Linear Thermal Expansion (normal)2E-4/°CISO 11359-1/-2
Glow Wire Flammability Index (at thickness 1 / - mm)750°CIEC 60695-2-12
Glow Wire Flammability Index (at thickness 2 / - mm)750°CIEC 60695-2-12
Relative Temperature Index (Electrical, 1.5 mm)50°CUL746B
Relative Temperature Index (with impact, 1.5 mm)50°CUL746B
Relative Temperature Index (without impact, 1.5 mm)50°CUL746B
Electrical Properties
ValueUnitsTest Method / Conditions
Relative Permittivity (100Hz)4.4IEC 62631-2-1
Relative Permittivity (1 MHz)4IEC 62631-2-1
Dissipation Factor (1 MHz)400E-4IEC 62631-2-1
Volume Resistivity1E11Ohm*mIEC 62631-3-1
Electric Strength21kV/mmIEC 60243-1
Comparative Tracking Index600VIEC 60112
Other Properties
ValueUnitsTest Method / Conditions
Water Absorption0.65%Sim. to ISO 62
Humidity Absorption0.2%Sim. to ISO 62
Density1200kg/m³ISO 1183
Mechanical Properties (TPE)
ValueUnitsTest Method / Conditions
Tensile Modulus170MPaISO 527-1/-2
Stress at 5% strain7.4MPaISO 527-1/-2
Stress at 10% strain11.1MPaISO 527-1/-2
Stress at 50% strain13.8MPaISO 527-1/-2
Stress at 100% strain13.7MPaISO 527-1/-2
Stress at Break32MPaISO 527-1/-2
Strain at Break>300%ISO 527-1/-2
Nominal Strain at Break640%ISO 527-1/-2
Compression Set Under Constant Strain (at 70°C)40%ISO 815
Tear Strength150kN/mISO 34-1; Method B
Shore D Hardness (3s)54ISO 868
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Volume-Flow Rate (at 230 / * °C, 2.16 / * kg)23cm³/10minISO 1133
Molding Shrinkage (parallel)1.55%Sim. to ISO 294-4
Molding Shrinkage (normal)1.55%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