Arnitel® UM552

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.
Product
  Due to limited hydrolysis resistance, this material should only be used in dry environments.
Special features
Regulatory Affairs
Processing technology
Extrusion, Injection Molding
Applications

Rheological properties

Melt flow index MFI
9.5
g/10min
MFI test temperature
230
°C
MFI test load
2.16
kg

Mechanical properties

Yield stress
15
MPa
Yield strain
23
%
Nominal strain at break
>50
%
Charpy impact strength (-30°C)
6
kJ/m²
Charpy notched impact strength (+23°C)
N
kJ/m²
Charpy notched impact strength (-30°C)
6
kJ/m²

Thermal properties

Melting temperature (10°C/min)
195
°C
Temp. of deflection under load (0.45 MPa)
80
°C
Vicat softening temperature (50°C/h 50N)
85
°C
Coeff. of linear therm. expansion (parallel)
1.6
E-4/°C
Burning Behav. at 0.75 mm nom. thickn.
HB
class
Thickness tested
0.75
mm
Burning Behav. at 1.5 mm nom. thickn.
HB
class
Thickness tested
1.5
mm
UL recognition
Yes
-
Burning Behav. at 3.0 mm nom. thickn.
HB
class
Thickness tested
3
mm
UL recognition
Yes
-
Relative Temperature Index - electrical
160
°C
RTI electrical (Thickness (1) tested)
0.75
mm
Relative Temperature Index - electrical
160
°C
RTI electrical (Thickness (2) tested)
3
mm
Relative Temperature Index - with impact
120
°C
RTI with impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - with impact
120
°C
RTI with impact (Thickness (2) tested)
3
mm
Relative Temperature Index - without impact
150
°C
RTI without impact (Thickness (1) tested)
0.75
mm
Relative Temperature Index - without impact
150
°C
RTI without impact (Thickness (2) tested)
3
mm

Electrical properties

Comparative tracking index
600
V

Other properties

Water absorption
0.6
%
Humidity absorption
0.25
%
Density
1260
kg/m³

Mechanical properties (TPE)

Tensile modulus
250
MPa
Tear strength
165
kN/m
Shore D Hardness (15s)
55
-

Applications

Convoluted Tubes

Industry
Automotive
Arnitel convoluted tubing is used in class-D and class-E cable trees. The primary purpose is usage in high temperature areas of the car.}