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Arnitel® CM550-S

1 of 93 products in this brand
Arnitel® CM550-S, a high-performance ThermoPlastic Copolyester (TPC) distinguished by its exceptional blend of flexibility, high-temperature resistance, strength, and outstanding processing capabilities. In applications across automotive and E&E industries, it serves as a lighter, more intelligent, and environmentally friendly alternative to traditional rubber. Produced through extrusion technology, it boasts a hardness of 57 Shore D and is flame-retardant.

Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)

Processing Methods: Extrusion

End Uses: Cables, Wires

Density: 1310.0 - 1310.0 kg/m³

Strain at Break: 50.0 - 50.0 %, 590.0 - 590.0 %

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Charpy Impact Strength (at 23°C)NkJ/m²ISO 179/1eU
Charpy Impact Strength (at -30°C)NkJ/m²ISO 179/1eU
Charpy Notched Impact Strength (at -30°C)5kJ/m²ISO 179/1eA
Charpy Notched Impact Strength (at 23°C)NkJ/m²ISO 179/1eA
Izod Notched Impact Strength (-20°C)NkJ/m²ISO 180/1A
Izod Notched Impact Strength (-30°C)5.4kJ/m²ISO 180/1A
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (at 10°C/min)205°CISO 11357-1/-3
Vicat Softening Temperature (at 50°C/h 50N)71°CISO 306
Electrical Properties
ValueUnitsTest Method / Conditions
Relative Permittivity (100Hz)4.2IEC 62631-2-1
Relative Permittivity (1 MHz)3.5IEC 62631-2-1
Dissipation Factor (100 Hz)180E-4IEC 62631-2-1
Dissipation Factor (1 MHz)495E-4IEC 62631-2-1
Volume Resistivitymin. 1E13Ohm*mIEC 62631-3-1
Other Properties
ValueUnitsTest Method / Conditions
Humidity Absorption0.11%Sim. to ISO 62
Density1310kg/m³ISO 1183
Water Absorption in Water (at 23°C, after 24h)0.26%ISO 62
Mechanical Properties (Die Cutting)
ValueUnitsTest Method / Conditions
Stress (at Break, Normal)31MPaISO 527-1/-2
Stress (at 5% Strain, Normal)9.6MPaISO 527-1/-2
Stress (at 10% Strain, Normal)13MPaISO 527-1/-2
Stress (at 50% Strain, Normal)16MPaISO 527-1/-2
Stress (at 100% Strain, Normal)15MPaISO 527-1/-2
Tear Strength (Normal)145kN/mISO 34-1; Method B
Tear Strength (Parallel)160kN/mISO 34-1; Method B
Strain (at Break, Normal)590%ISO 527-1/-2
Mechanical Properties (TPE)
ValueUnitsTest Method / Conditions
Tensile Modulus200MPaISO 527-1/-2
Compression Set Under Constant Strain (at 70°C)52%ISO 815
Stress (at 5% Strain)10MPaISO 527-1/-2
Stress (at 10% Strain)14MPaISO 527-1/-2
Stress (at 50% Strain)18MPaISO 527-1/-2
Stress (at 100% Strain)17MPaISO 527-1/-2
Stress (at Break)28MPaISO 527-1/-2
Strain (at Break)min. 300%ISO 527-1/-2
Nominal Strain (at Break)400%ISO 527-1/-2
Hardness (3s)57Shore DISO 868
Hardness (15s)57Shore DISO 868
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Volume Flow Rate (at 230°C, 2.16 kg)17cm³/10minISO 1133

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Viscosity Shear Rate

Arnitel® CM550-S - Viscosity Shear Rate

Chemical Resistance Data
Chemical Name Chemical Resistance
Acetic acid (10% by mass) at 23°C Resistant
Acetone at 23°C Resistant
Ammonium hydroxide (10% by mass) at 23°C

Limited resistant, tests necessary to verify

ASTM 1 at 23°C Resistant
ASTM 3 at 23°C Resistant
Brake fluids (DOT 3/4) at 23°C Not resistant
Calcium chloride (10% by mass) at 23°C Limited resistant, tests necessary to verify
Chloroform at 23°C Not resistant
Diethyl ether at 23°C

Limited resistant, tests necessary to verify

Ethanol at 23°C

Limited resistant, tests necessary to verify

Ethyl Acetate at 23°C

Limited resistant, tests necessary to verify

Fuel; Diesel at 85°C Resistant
Hydrochloric acid (10% by mass) at 23°C Resistant
Hydrogen peroxide (30% by mass) at 23°C

Limited resistant, tests necessary to verify

Nitric acid (10% by mass) at 23°C Resistant
Phosphoric acid (10% by mass) at 23°C Resistant
Sodium hydroxide (10% by mass) at 23°C Resistant
Sulfuric acid (30% by mass) at 23°C Resistant
Tetrachloroethylene at 23°C

Limited resistant, tests necessary to verify

Toluene at 23°C Resistant
Transformer oil at 23°C Not resistant
Trichloroethylene at 23°C Not resistant
Water at 23°C Resistant
Zinc chloride (10% by mass) at 23°C Resistant
Stress Strain (TPE)

Arnitel® CM550-S - Stress Strain (Tpe)

Dynamic Tensile Modulus (E) Temperature

Arnitel® CM550-S - Dynamic Tensile Modulus (E) Temperature

Packaging & Availability