Arnitel® PM381

Film Extrusion, Food Contact Quality

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

Rheological properties

Melt volume-flow rate
4.7
cm³/10min
Temperature
230
°C
Load
2.16
kg

Mechanical properties

Charpy notched impact strength (+23°C)
N
kJ/m²
Charpy notched impact strength (-30°C)
N
kJ/m²
Izod notched impact strength (+23°C)
N
kJ/m²
Izod notched impact strength (-30°C)
N
kJ/m²

Thermal properties

Melting temperature (10°C/min)
212
°C
Temp. of deflection under load (0.45 MPa)
44
°C
Vicat softening temperature (50°C/h 10N)
127
°C
Vicat softening temperature (50°C/h 50N)
120
°C
Coeff. of linear therm. expansion (parallel)
1.5
E-4/°C
Coeff. of linear therm. expansion (normal)
1.5
E-4/°C

Electrical properties

Relative permittivity (100Hz)
4.7
-
Relative permittivity (1 MHz)
4.4
-
Dissipation factor (100 Hz)
310
E-4
Dissipation factor (1 MHz)
810
E-4
Volume resistivity
1E12
Ohm*m
Electric strength
20
kV/mm
Comparative tracking index
600
V

Other properties

Water absorption
7
%
Humidity absorption
0.4
%
Density
1160
kg/m³

Mechanical properties (TPE)

Tensile modulus
42
MPa
Stress at 5% strain
2.2
MPa
Stress at 10% strain
4
MPa
Stress at 50% strain
8.3
MPa
Stress at 100% strain
10.9
MPa
Stress at break
12.5
MPa
Nominal strain at break
155
%
Tear strength
52
kN/m
Shore D Hardness (3s)
32
-

Diagrams

Applications

Breathable Films for Food Packaging

Industry
Consumer goods
  • •} Highly breathable
  • •} Bio-based alternative
  • •} High-temperature resistance
  • •} Excellent processing characteristics.
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House Wrap

Industry
Building & construction
The roofing membrane uses the EM400+UV MB and EM402-L, whereas the house wrap uses PL381 and PM381.}

Industrial Cords and Ropes

Industry
Industrial equipment
Arnitel offers the perfect anti-corrosion solution for steel cables used in off-shore industry, like drilling rigs and larger sea vessels. Arnitel® protects the steel from damage due to metal to metal contact and wear, leading to a much longer lifetime.}

Infusion Membrane Bags

Industry
Industrial equipment
Material
  • •} Cost-effective
  • •} Ease of processing
  • •} High temperature resistance
  • •} Greener alternative to conventional rubbers
}

Mandrels as Supportive Tool

Industry
Industrial equipment
Peroxide resistant Arnitel® mandrels for rubber and elastomer hose manufacturing}