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Arnitel® EL740-08

Chemical Family
Polyesters

Arnitel® EL740-08 is a high-performance thermoplastic copolyester (TPC) renowned for its exceptional blend of flexibility, high temperature resistance, and strength, complemented by excellent processing characteristics. In industries spanning automotive to E&E, it is gaining popularity as a more sustainable and efficient alternative to traditional rubbers, leading to reduced environmental impact and lower system costs. This material is processed using injection molding technology and meets food contact quality requirements.

Product families

Applications

Applications
  • Consumer Goods — Other Consumer Goods Applications
Electrical & Electronics — Parts & Components
  • Connectors
Electrical & Electronics — Wire & Cable
  • Building Wires & Power Cables
  • Optical Fiber & Telecom

Product Families

Elastomers — Thermoplastic Elastomers
  • Thermoplastic Polyester Elastomers (TPE-E)

Other characteristics

Brand
Arnitel
Density
1290.0 - 1290.0 kg/m³
Polymer Name
Thermoplastic Copolyester Elastomer (TPC-ET)
Strain at Break
250.0 - 250.0 %
Processing Methods
Injection Molding
Markets
  • Consumer Goods
  • Electrical & Electronics
Flame Rating
UL 94 HB
Technology
Elastomers
Packaging Type
  • Bags
  • Boxes
  • Silos
  • Super Sacks
Labeling Claims
Food Contact Acceptable
Quality Standards
UL Yellow Card (E47960)
Material Features
  • Food Contact Acceptable
  • UL Flame Rated
Certifications and Compliance
  • ISO 14001
  • OHSAS
  • REACH (Europe)
  • UL 94
Plastics and Elastomers Functions
Resin
Plastics and Elastomers Processing Methods
Injection Molding

Technical data

Table 1 of 8

6 rows
CharacteristicValueUnitMethod
Yield Stress36MPaISO 527-1/-2
Yield Strain17%ISO 527-1/-2
Nominal Strain at Break>50%ISO 527-1/-2
Charpy Notched Impact Strength (at +23°C)10kJ/m²ISO 179/1eA
Charpy Notched Impact Strength (at -30°C)6kJ/m²ISO 179/1eA
Izod Notched Impact Strength (at +23°C)9kJ/m²ISO 180/1A

Table 2 of 8

10 rows
CharacteristicValueUnitMethod
Melting Temperature (10°C/min)221°CISO 11357-1/-3
Temperature of Deflection Under Load (0.45 MPa)120°CISO 75-1/-2
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
Glow Wire Ignition Temperature (at thickness 1 / - mm)850°CIEC 60695-2-13
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

Table 3 of 8

6 rows
CharacteristicValueUnitMethod
Relative Permittivity (100Hz)3.7—IEC 62631-2-1
Relative Permittivity (1 MHz)3.3—IEC 62631-2-1
Dissipation Factor (1 MHz)300E-4IEC 62631-2-1
Volume Resistivity1E13Ohm*mIEC 62631-3-1
Electric Strength23kV/mmIEC 60243-1
Comparative Tracking Index600VIEC 60112

Table 4 of 8

4 rows
CharacteristicValueUnit
Density of Melt950kg/m³
Thermal Conductivity of Melt0.1W/(m K)
Specific Heat Capacity Melt1900J/(kg K)
Effective Thermal Diffusivity5.54E-8m²/s

Table 5 of 8

4 rows
CharacteristicValueUnitMethod
Water Absorption0.6%Sim. to ISO 62
Humidity Absorption0.15%Sim. to ISO 62
Density1290kg/m³ISO 1183
Apparent Density830kg/m³ISO 60

Table 6 of 8

11 rows
CharacteristicValueUnitMethod
Tensile Modulus800MPaISO 527-1/-2
Stress at 5% strain30MPaISO 527-1/-2
Stress at 10% strain34MPaISO 527-1/-2
Stress at 50% strain25MPaISO 527-1/-2
Stress at 100% strain26MPaISO 527-1/-2
Stress at Break43MPaISO 527-1/-2
Strain at Break250%ISO 527-1/-2
Nominal Strain at Break360%ISO 527-1/-2
Compression Set Under Constant Strain (at 70°C)35%ISO 815
Tear Strength215kN/mISO 34-1; Method B
Shore D Hardness (3s)70—ISO 868

Table 7 of 8

3 rows
CharacteristicValueUnitMethod
Melt Volume-Flow Rate (at 230 / * °C, 2.16 / * kg)18cm³/10minISO 1133
Molding Shrinkage (parallel)1.75%Sim. to ISO 294-4
Molding Shrinkage (normal)2%Sim. to ISO 294-4

Химическая стойкость

24 rows
CharacteristicValueUnit
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

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