Hytrel® 3078

About
30 Shore D High Performance Polyester Elastomer with Non-discoloring Stabilizer&&

Product Description
SupplierDuPont
GenericTPC-ET
Material StatusCommercial: Active
FeaturesHB
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
MECHANICALNominal valueUnitTest method
Shore hardness ISO 868
Shaw’s D30 ISO 868
Shore D, 15 seconds26 ISO 868
Tensile modulus24.0MPaISO 527-2
tensile strength ISO 527-2
fracture24.0MPaISO 527-2
10% strain1.80MPaISO 527-2
50% strain5.00MPaISO 527-2
Tensile strain
fracture> 300%ISO 527-2
Nominal tensile fracture strain900%ISO 527-2
Tensile Creep Modulus(1 hr)22.0MPaISO 899-1
Tensile creep modulus
1000 hr18.0MPaISO 899-1
Bending modulus21.0MPaISO 178

elastic bodyNominal valueUnitTest method
tear strength ISO 34-1
TD77kN/mISO 34-1
MD80kN/mISO 34-1

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-40℃No Break ISO 179/1eA
-30℃No Break ISO 179/1eA
23℃No Break ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃No Break ISO 179/1eU
23℃No Break ISO 179/1eU
Impact strength of cantilever beam notch ISO 180/1A
-40℃No Break ISO 180/1A
23℃No Break ISO 180/1A

THERMALNominal valueUnitTest method
Embrittlement temperature-98.0ISO 974
Glass transition temperature-60.0ISO 11357-2
Melting temperature177ISO 11357-3
Linear coefficient of thermal expansion
TD2.1E-41/℃ISO 11359-2
MD1.8E-41/℃ISO 11359-2
Effective Thermal Diffusivity5.44E-8m²/s

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+14ohmsIEC 60093
Volume resistivity1.0E+13ohms·cmIEC 60093
Dielectric strength18kV/mmIEC 60243-1
Relative permittivity IEC 60250
100 Hz5.40 IEC 60250
1 MHz5.30 IEC 60250
Dissipation factor IEC 60250
100 Hz7.0E-3 IEC 60250
1 MHz0.015 IEC 60250

FLAME CHARACTERISTICSNominal valueUnitTest method
Burning rate
1 mm< 100mm/minISO 3795
Flame retardant level UL 94
1.50 mmHB UL 94
3.00 mmHB UL 94
Flammability level IEC 60695-11-10, -20
1.5 mmHB IEC 60695-11-10, -20
3.0 mmHB IEC 60695-11-10, -20
Extreme oxygen index19%ISO 4589-2
FMVSS flame retardant ratingB FMVSS 302

PHYSICALNominal valueUnitTest method
Density1.07g/cm³ISO 1183
Melt Flow Rate
190℃,2.16kg5.0g/10minISO 1133
Melt Volume Rate
190℃,2.16 kg5.00cm³/10minISO 1133
Shrinkage rate ISO 294-4
TD0.60%ISO 294-4
MD0.60%ISO 294-4
Water absorption rate
Saturation, 23 ℃, 2.00 mm0.80%ISO 62
Equilibrium, 23 ℃, 50% RH, 2.00 mm0.20%ISO 62
23℃,24hr0.50%ISO 62
Melt density0.940g/cm³
Specific Heat Capacity of Melt2150J/kg/℃
Thermal Conductivity of Melt0.15W/m/K

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Drying temperature80°C
Drying time – hot air dryer2.0 to 3.0hr
Recommended maximum moisture content0.080%
Processing (melt) temperature190 to 210°C
Melt Temperature, Optimum205°C
Mold temperature30 to 40°C
Mold Temperature, Optimum30°C
Drying Recommendedyes 
Drying temperature70 to 90°C
Drying time2.0 to 3.0hr
Recommended maximum moisture content0.060%
Melt temperature190 to 205°C
Extrusion Melt Temperature, Optimum200°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 10°C/min
3. FMVSS 302
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