Arnitel® EL740

About
Injection Molding&&

Product Description
SupplierDSM
GenericTPC-ET
Material StatusCommercial: Active
FeaturesHB
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.29g/cm³ISO 1183
Apparent density0.83g/cm³ISO 60
Melt Volume Rate
230℃,2.16 kg18.0cm³/10minISO 1133
Shrinkage rate ISO 294-4
TD2.0%ISO 294-4
MD1.8%ISO 294-4
Water absorption rate
Saturation, 23 ℃0.60%ISO 62
Equilibrium, 23 ℃, 50% RH0.15%ISO 62

MECHANICALNominal valueUnitTest method
Shore hardness
Shore D, 3 seconds70 ISO 868
Tensile modulus800MPaISO 527-2
tensile strength ISO 527-2
fracture43.0MPaISO 527-2
5% strain30.0MPaISO 527-2
10% strain34.0MPaISO 527-2
50% strain25.0MPaISO 527-2
100% strain26.0MPaISO 527-2
Nominal tensile fracture strain360%ISO 527-2

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃6.0kJ/m²ISO 179/1eA
23℃10kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch
23℃9.0kJ/m²ISO 180-1A

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed120ISO 75-2/B
Vicat Softening Temp
B50160ISO 306
Melting temperature221ISO 11357-3
Linear coefficient of thermal expansion
TD1.7E-41/℃ISO 11359-2
MD1.7E-41/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+15ohms·cmIEC 60093
Dielectric strength23kV/mmIEC 60243-1
Relative permittivity IEC 60250
100 Hz3.70 IEC 60250
1 MHz3.30 IEC 60250
Dissipation factor
1 MHz0.030 IEC 60250
Compared to the leakage tracing index600VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flammability level
1.6 mmHB IEC 60695-11-10, -20

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Drying temperature100°C
Drying time4.0 to 6.0hr
Barrel rear temperature200 to 220°C
Barrel middle temperature210 to 230°C
Barrel front temperature220 to 240°C
Nozzle temperature230 to 250°C
Processing (melt) temperature230 to 250°C
Mold temperature20 to 50°C
Injection speedModerate-Fast 
Back pressure3.00 to 10.0MPa
Screw compression ratio2.5:1.0 
Melt temperature230 to 260°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 10°C/min
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