Arnitel® EL550-08

Food Contact Quality, Injection Molding

General Information

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.
Special features
Regulatory Affairs
Processing technology
Injection Molding

Rheological properties

Melt volume-flow rate
23
cm³/10min
Temperature
230
°C
Load
2.16
kg
Molding shrinkage [parallel]
1.55
%
Molding shrinkage [normal]
1.55
%

Mechanical properties

Flexural modulus
230
MPa
Charpy impact strength (+23°C)
N
kJ/m²
Charpy impact strength (-30°C)
N
kJ/m²
Charpy notched impact strength (+23°C)
N
kJ/m²
Charpy notched impact strength (-30°C)
25
kJ/m²
Izod notched impact strength (+23°C)
N
kJ/m²
Izod notched impact strength (-20°C)
N
kJ/m²
Tensile notched impact strength (+23°C)
216
kJ/m²

Mechanical properties (die cutting)

Stress at break (normal)
39
MPa
Strain at break (normal)
810
%
Tear strength (normal)
153
kN/m
Tear strength (parallel)
152
kN/m

Thermal properties

Melting temperature (10°C/min)
204
°C
Glass transition temperature (10°C/min)
-64
°C
Temp. of deflection under load (0.45 MPa)
110
°C
Vicat softening temperature (50°C/h 50N)
90
°C
Coeff. of linear therm. expansion (parallel)
2
E-4/°C
Coeff. of linear therm. expansion (normal)
2
E-4/°C
Glow Wire Flammability Index GWFI
750
°C
GWFI (Thickness (1) tested)
1
mm
Glow Wire Flammability Index GWFI
750
°C
GWFI (Thickness (2) tested)
2
mm
Relative Temperature Index - electrical
50
°C
RTI electrical (Thickness (1) tested)
1.5
mm
Relative Temperature Index - with impact
50
°C
RTI with impact (Thickness (1) tested)
1.5
mm
Relative Temperature Index - without impact
50
°C
RTI without impact (Thickness (1) tested)
1.5
mm

Electrical properties

Relative permittivity (100Hz)
4.4
-
Relative permittivity (1 MHz)
4
-
Dissipation factor (1 MHz)
400
E-4
Volume resistivity
1E11
Ohm*m
Electric strength
21
kV/mm
Comparative tracking index
600
V

Other properties

Water absorption
0.65
%
Humidity absorption
0.2
%
Density
1200
kg/m³

Mechanical properties (TPE)

Tensile modulus
210
MPa
Stress at 5% strain
8.8
MPa
Stress at 10% strain
12.8
MPa
Stress at 50% strain
14.6
MPa
Stress at 100% strain
14.6
MPa
Stress at break
35
MPa
Strain at break
>300
%
Nominal strain at break
620
%
Compression Set under constant strain at 70 °C
40
%
Shore D Hardness (3s)
54
-

Diagrams