Arnitel® PL581

Injection Molding

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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
General Document
Regulatory Affairs
  • Absence Declaration BNST2023-11-16
  • Absence Declaration Biocidal Products2023-11-16
  • Absence Declaration DMF (2009/251/EC: Dimethylfumarate)2023-11-16
  • Absence Declaration ELV (2000/53/EC: Heavy metals)2024-02-15
  • Absence Declaration EPA 20 High Priority Substances 20192023-11-16
  • Absence Declaration Food Allergens2023-11-16
  • Absence Declaration NMP (N-Methylpyrrolidone)2023-11-16
  • Absence Declaration Nano Materials2023-11-16
  • Absence Declaration Ozone Depleting Chemicals2024-06-27
  • Absence Declaration PAH (Polycyclic Aromatic Hydrocarbons)2023-11-16
  • Absence Declaration PBT chemicals under TSCA section 6(h)2023-11-16
  • Absence Declaration PFAS2024-03-05
  • Absence Declaration POPs (Persistent Organic Pollutants)2024-09-04
  • Absence Declaration Phthalates (2005/84/EC: DEHP, DBP, BBP,DINP,DIDP, DNOP)2023-11-16
  • Absence Declaration Red Phosphorus2023-11-16
  • Absence Declaration opBDE (2003/11/EC: Octa- / Pentabromodiphenylether)2023-11-16
  • CALIFORNIA PROPOSITION 65 (INDUSTRIAL USE)2024-01-02
  • Compliance Statement EU Sanctions and Embargos2024-05-16
  • Conflict minerals declaration (EICC, GeSI)2024-05-15
  • Deforestation Statement, Regulation (EU) 2023/1115 (EUDR)2024-09-19
  • Packaging Declaration EU Decision 97/129/EC (labelling)2024-04-17
  • Packaging, Packaging Waste and CONEG declaration (94/62/EC)2021-12-06
  • REACH Registration Statement2024-03-27
  • REACH STATEMENT KOREA2023-11-16
  • REACH STATEMENT TURKYE2023-11-16
  • RoHS Statement (2011/65/EC: Heavy metals)2024-02-01
  • SVHC, REACH Annex XIV and –XVII Statement2024-11-08
Processing technology
Extrusion, Injection Molding
Applications
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Rheological properties

Melt volume-flow rate
15
cm³/10min
Temperature
230
°C
Load
2.16
kg
Molding shrinkage [parallel]
1.7
%
Molding shrinkage [normal]
1.8
%

Mechanical properties

Yield stress
17
MPa
Yield strain
35
%
Stress at break
31
MPa
Charpy notched impact strength (+23°C)
N
kJ/m²
Charpy notched impact strength (-30°C)
16
kJ/m²
Izod notched impact strength (+23°C)
N
kJ/m²
Izod notched impact strength (-30°C)
15
kJ/m²

Thermal properties

Melting temperature (10°C/min)
218
°C
Temp. of deflection under load (0.45 MPa)
100
°C
Vicat softening temperature (50°C/h 50N)
105
°C
Coeff. of linear therm. expansion (parallel)
1.1
E-4/°C
Coeff. of linear therm. expansion (normal)
1.1
E-4/°C

Electrical properties

Relative permittivity (1 MHz)
4
-
Dissipation factor (1 MHz)
400
E-4
Volume resistivity
>1E13
Ohm*m
Electric strength
21
kV/mm
Comparative tracking index
600
V

Other properties

Water absorption
2.5
%
Humidity absorption
0.4
%
Density
1240
kg/m³

Mechanical properties (TPE)

Tensile modulus
210
MPa
Stress at 5% strain
9.2
MPa
Stress at 10% strain
13.2
MPa
Stress at 50% strain
16.5
MPa
Stress at 100% strain
17
MPa
Stress at break
31
MPa
Strain at break
300
%
Nominal strain at break
400
%
Tear strength
125
kN/m
Shore D Hardness (3s)
53
-

Diagrams

Applications

Railway Pads

Industry
Transportation
Material
  • •} High abrasion resistance
  • •} Excellent load-bearing capacity
  • •} Fatigue and environmental resistance
  • •} High temperature resistance
}
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