Vectra® E488i

About
Ultra low warp&&

Product Description
SupplierCelanese
Generic液态聚合物
Material StatusCommercial: Active
FeaturesLow warping,V-0
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.77g/cm³ISO 1183
Shrinkage rate ISO 294-4
TD0.43%ISO 294-4
MD0.14%ISO 294-4
Water absorption rate
Saturation, 23 ℃5.0E-3%ISO 62

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃18kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength
23℃29kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch
23℃9.0kJ/m²ISO 180-1A
Notched impact strength of cantilever beam
23℃28kJ/m²ISO 180/1U

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed260ISO 75-2/A
Vicat Softening Temp
B50200ISO 306
Melting temperature335ISO 11357-3
Linear coefficient of thermal expansion ISO 11359-2
MD8.0E-61/℃ISO 11359-2
TD4.2E-51/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+17ohmsIEC 60093
Volume resistivity1.0E+16ohms·cmIEC 60093
Dielectric strength55kV/mmIEC 60243-1
Relative permittivity
1 MHz4.24 IEC 60250
Dissipation factor
1 MHz0.045 IEC 60250
Compared to the leakage tracing index175VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
0.150 mmV-0 UL 94

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level54 ISO 2039-2
Tensile modulus13000MPaISO 527-2/1A/1
tensile strength
fracture110MPaISO 527-2/1A/5
Tensile strain
fracture1.5%ISO 527-2/1A/5
Bending modulus
23℃13000MPaISO 178
bending strength
23℃160MPaISO 178
Compression modulus11000MPaISO 604
Fracture bending strain1.8%ISO 178

Process Conditions
injectionNominal valueUnitTest method
Drying temperature150°C
Drying time6.0hr
Recommended maximum moisture content0.010%
Barrel rear temperature315 to 325°C
Barrel middle temperature325 to 335°C
Barrel front temperature335 to 345°C
Nozzle temperature335 to 345°C
Processing (melt) temperature340 to 355°C
Mold temperature80 to 120°C
Injection pressure50.0 to 150MPa
Injection speed快速 

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