Arnitel® CM620-S

64 Shore D, Extrusion, Flame Retardant

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
Extrusion

Rheological properties

Melt volume-flow rate
15
cm³/10min
Temperature
230
°C
Load
2.16
kg

Mechanical properties

Tensile modulus
330
MPa
Nominal strain at break
>50
%
Charpy notched impact strength (+23°C)
23
kJ/m²
Charpy notched impact strength (-30°C)
3.7
kJ/m²
Izod notched impact strength (+23°C)
24
kJ/m²
Izod notched impact strength (-30°C)
4.4
kJ/m²

Thermal properties

Melting temperature (10°C/min)
205
°C
Vicat softening temperature (50°C/h 50N)
95
°C
Burning Behav. at thickness h
V-2
class
Thickness tested
0.75
mm
UL recognition
Yes
-

Electrical properties

Relative permittivity (100Hz)
4.3
-
Dissipation factor (1 MHz)
495
E-4
Volume resistivity
>1E13
Ohm*m
Surface resistivity
>1E15
Ohm
Electric strength
14.4
kV/mm

Other properties

Water absorption in water at 23°C after 24h
0.2
%
Humidity absorption
0.1
%
Density
1330
kg/m³

Mechanical properties (TPE)

Stress at 5% strain
15
MPa
Stress at 10% strain
20
MPa
Stress at 50% strain
23
MPa
Stress at 100% strain
20
MPa
Stress at break
36
MPa
Strain at break
>300
%
Nominal strain at break
460
%
Compression Set under constant strain at 70 °C
40
%
Tear strength
166
kN/m
Shore A Hardness (3s)
98
-
Shore A Hardness (15s)
98
-
Shore D Hardness (3s)
64
-
Shore D Hardness (15s)
61
-

Diagrams

Applications

Wire and Cable Insulation

Industry
Automotive
  • <ul> <li>Arnitel® TPC allows for reliable solutions due its high temperature resistance (class T3 and T4, Class D (150°C) enabling thin and ultra thin wall designs, Class E (175°C) >20 mm2 thick and thin wall)</li> <li>Arnitel® TPC allows for cost effective solutions (up to 50% lower system costs versus ETFE/FEP, 40% weight down versus XL PO at similar costs)</li> <li>Arnitel® TPC allows for sustainable solutions due to availability of halogen free flameretardant grades</li> </ul>