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Arnitel® EM740

1 of 93 products in this brand
Arnitel® EM740 is a high-performance thermoplastic copolyester (TPC) known for its exceptional blend of flexibility, high temperature resistance, and strength, complemented by excellent processing characteristics. In industries ranging from automotive to E&E, it is gaining prominence as a more sustainable and efficient alternative to traditional rubbers, resulting in reduced environmental impact and lower system costs. This material can be processed using both extrusion and injection molding technologies and meets the requirements for food contact quality.

Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)

Processing Methods: Extrusion, Injection Molding

End Uses: Fiber Optic Cable Jacketing, Snowboard Cover Laminates

Density: 1290.0 - 1290.0 kg/m³

Strain at Break: 570.0 - 570.0 %

Flexural Modulus: 1070.0 - 1070.0 MPa

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers Processing Methods
Snowboard Cover Laminates Application Data

Details

Arnitel® can accept the colorful and complex designs that snowboarders demand via sublimation printing

Benefits

  • Arnitel® TPC EM740 allows for reliable solutions due to its combination of a Shore D hardness of 74, its superior cold temperature impact resistance and fatigue endurance and due to its good UV resistance
  • Arnitel® TPC EM740 allows for cost effective solutions since it can be bonded well to the board substrate
Optical Fiber Cable Jackets Application Data

Details

Arnitel® jacket solution for outdoor optical fiber main lines with proven history in hazardous environments.

Benefits

  • Arnitel® has excellent rodent resistance
  • Arnitel® offers good weather ability
  • Arnitel® has a long track record in combination with Envalior desotech fiber solutions

Properties

Flame Rating
Mechanical Properties
ValueUnitsTest Method / Conditions
Yield Stress35MPaISO 527-1/-2
Yield Strain20%ISO 527-1/-2
Flexural Modulus1070MPaISO 178
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 +23°C)15kJ/m²ISO 179/1eA
Charpy Notched Impact Strength (at -30°C)6kJ/m²ISO 179/1eA
Izod Notched Impact Strength (at +23°C)17kJ/m²ISO 180/1A
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)221°CISO 11357-1/-3
Vicat Softening Temperature (50°C/h 50N)160°CISO 306
Coefficient of Linear Thermal Expansion (parallel)1.65E-4/°CISO 11359-1/-2
Coefficient of Linear Thermal Expansion (normal)1.65E-4/°CISO 11359-1/-2
Burning Behaviour (at 1.5 mm Nominal Thickness)UL HBclassIEC 60695-11-10
Relative Temperature Index (Electrical, 1.5 mm)50°CUL746B
Relative Temperature Index (with impact, 1.5 mm)50°CUL746B
Relative Temperature Index (without impact, 1.5 mm)50°CUL746B
Electrical Properties
ValueUnitsTest Method / Conditions
Relative Permittivity (100Hz)3.7IEC 62631-2-1
Relative Permittivity (1 MHz)3.4IEC 62631-2-1
Dissipation Factor (1 MHz)400E-4IEC 62631-2-1
Volume Resistivity1E13Ohm*mIEC 62631-3-1
Electric Strength23kV/mmIEC 60243-1
Comparative Tracking Index600VIEC 60112
Rheological Calculation Properties
ValueUnitsTest Method / Conditions
Density of Melt900kg/m³
Thermal Conductivity of Melt0.1W/(m K)
Specific Heat Capacity Melt1900J/(kg K)
Effective Thermal Diffusivity5.85E-8m²/s
Other Properties
ValueUnitsTest Method / Conditions
Water Absorption0.6%Sim. to ISO 62
Humidity Absorption0.15%Sim. to ISO 62
Density1290kg/m³ISO 1183
Apparent Density820kg/m³ISO 60
Mechanical Properties (Die Cutting)
ValueUnitsTest Method / Conditions
Stress at Break (normal)58MPaISO 527-1/-2
Strain at Break (normal)570%ISO 527-1/-2
Tear Strength (normal)231kN/mISO 34-1; Method B
Tear Strength (parallel)235kN/mISO 34-1; Method B
Mechanical Properties (TPE)
ValueUnitsTest Method / Conditions
Tensile Modulus900MPaISO 527-1/-2
Stress at 5% strain31MPaISO 527-1/-2
Stress at 10% strain34.5MPaISO 527-1/-2
Stress at Break38MPaISO 527-1/-2
Strain at Break250%ISO 527-1/-2
Nominal Strain at Break250%ISO 527-1/-2
Shore D Hardness (3s)71ISO 868
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Volume-Flow Rate (at 230 / * °C, 2.16 / * kg)4cm³/10minISO 1133

Regulatory & Compliance

Certifications & Compliance
Quality Standards

Technical Details & Test Data

Chemical Resistance
Chemical TypeChemical NameResistance
OtherAcetic acid (10% by mass) at 23°Cresistant
KetonesAcetone at 23°Cresistant
OtherAmmonium hydroxide (10% by mass) at 23°Climited resistant, tests necessary to verify
OtherASTM 1 at 23°Cresistant
OtherASTM 3 at 23°Cresistant
OtherBrake fluids (DOT 3/4) at 23°Cnot resistant
OtherCalcium chloride (10% by mass) at 23°Climited resistant, tests necessary to verify
OtherChloroform at 23°Cnot resistant
EthersDiethyl ether at 23°Climited resistant, tests necessary to verify
AlcoholsEthanol at 23°Climited resistant, tests necessary to verify
OtherEthyl Acetate at 23°Climited resistant, tests necessary to verify
OtherFuel; Diesel at 85°Cresistant
OtherHydrochloric acid (10% by mass) at 23°Cresistant
OtherHydrogen peroxide (30% by mass) at 23°Climited resistant, tests necessary to verify
OtherNitric acid (10% by mass) at 23°Cresistant
OtherPhosphoric acid (10% by mass) at 23°Cresistant
OtherSodium hydroxide (10% by mass) at 23°Cresistant
OtherSulfuric acid (30% by mass) at 23°Cresistant
OtherTetrachloroethylene at 23°Climited resistant, tests necessary to verify
HydrocarbonsToluene at 23°Cresistant
OtherTransformer oil at 23°Cnot resistant
OtherTrichloroethylene at 23°Cnot resistant
OtherWater at 23°Cresistant
OtherZinc chloride (10% by mass) at 23°Cresistant
Shearstress-Shear Rate

DSM Engineering Materials Arnitel EM740 Shearstress-Shear Rate

Stress-Strain (TPE)

DSM Engineering Materials Arnitel EM740 Stress-Strain (TPE)

Viscosity-Shear Rate

DSM Engineering Materials Arnitel EM740 Viscosity-Shear Rate

Packaging & Availability