Arnitel® PL381

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 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
Injection Molding
Applications
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Rheological properties

Melt volume-flow rate
32
cm³/10min
Temperature
230
°C
Load
2.16
kg
Molding shrinkage (parallel)
1.55
%
Molding shrinkage (normal)
1.75
%

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 (-20°C)
N
kJ/m²
Izod notched impact strength (-30°C)
N
kJ/m²
Tensile notched impact strength (+23°C)
179
kJ/m²

Thermal properties

Melting temperature (10°C/min)
212
°C
Glass transition temperature (10°C/min)
-60
°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
45
MPa
Stress at 5% strain
2.5
MPa
Stress at 10% strain
4
MPa
Stress at 50% strain
7
MPa
Stress at 100% strain
8.5
MPa
Stress at 300% strain
11.8
MPa
Stress at break
14
MPa
Strain at break
>300
%
Nominal strain at break
450
%
Tear strength
74
kN/m
Shore D Hardness (3s)
33
-

Applications

House Wrap

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

Industry
Consumer goods
Material
Arnitel® is used in generic soap dispensers without the need for a metal spring.}
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