Arnitel® CM551
Heat Resistant Copolyester
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
Extrusion, Injection Molding
Design challenge
Degradation & Stability | Thermo-oxidative stability
Degradation & Stability | Thermo-oxidative stability
Applications
Rheological properties
Melt volume-flow rate
8
cm³/10min
ISO 1133
Temperature
230
°C
ISO 1133
Load
2.16
kg
ISO 1133
Mechanical properties
Charpy impact strength (+23°C)
N
kJ/m²
ISO 179/1eU
Charpy impact strength (-30°C)
N
kJ/m²
ISO 179/1eU
Charpy notched impact strength (+23°C)
N
kJ/m²
ISO 179/1eA
Charpy notched impact strength (-30°C)
6
kJ/m²
ISO 179/1eA
Izod notched impact strength (+23°C)
N
kJ/m²
ISO 180/1A
Izod notched impact strength (-20°C)
N
kJ/m²
ISO 180/1A
Izod notched impact strength (-30°C)
6.4
kJ/m²
ISO 180/1A
Mechanical properties (die cutting)
Stress at break (normal)
34
MPa
ISO 527-1/-2
Stress at 5% strain (normal)
8.5
MPa
ISO 527-1/-2
Stress at 10% strain (normal)
12
MPa
ISO 527-1/-2
Stress at 50% strain (normal)
16
MPa
ISO 527-1/-2
Stress at 100% strain (normal)
15
MPa
ISO 527-1/-2
Strain at break (normal)
660
%
ISO 527-1/-2
Tear strength (normal)
145
kN/m
ISO 34-1; Method B
Tear strength (parallel)
160
kN/m
ISO 34-1; Method B
Thermal properties
Melting temperature (10°C/min)
205
°C
ISO 11357-1/-3
Glass transition temperature (10°C/min)
-10
°C
ISO 11357-1/-2
Vicat softening temperature (50°C/h 50N)
61
°C
ISO 306
Coeff. of linear therm. expansion (normal)
1.9
E-4/°C
ISO 11359-1/-2
Electrical properties
Relative permittivity (100Hz)
4.34
-
IEC 62631-2-1
Relative permittivity (1 MHz)
3.58
-
IEC 62631-2-1
Dissipation factor (100 Hz)
212
E-4
IEC 62631-2-1
Dissipation factor (1 MHz)
460
E-4
IEC 62631-2-1
Volume resistivity
>1E13
Ohm*m
IEC 62631-3-1
Electric strength
25
kV/mm
IEC 60243-1
Comparative tracking index
600
V
IEC 60112
Other properties
Water absorption in water at 23°C after 24h
0.27
%
ISO 62
Humidity absorption
0.11
%
Sim. to ISO 62
Density
1240
kg/m³
ISO 1183
Mechanical properties (TPE)
Tensile modulus
160
MPa
ISO 527-1/-2
Stress at 5% strain
8.4
MPa
ISO 527-1/-2
Stress at 10% strain
12
MPa
ISO 527-1/-2
Stress at 50% strain
16
MPa
ISO 527-1/-2
Stress at 100% strain
16
MPa
ISO 527-1/-2
Stress at break
34
MPa
ISO 527-1/-2
Strain at break
>300
%
ISO 527-1/-2
Nominal strain at break
450
%
ISO 527-1/-2
Compression Set under constant strain at 23 °C
18
%
ISO 815
Compression Set under constant strain at 70 °C
42
%
ISO 815
Shore D Hardness (3s)
51
-
ISO 868
Shore D Hardness (15s)
51
-
ISO 868
Diagrams
Applications
Wire and Cable Insulation
Industry
Automotive
Material
Arnitel® UM551 in use for convoluted tubes or cable protection under-the-bonnet.}
