Vectra® E440i

About
Mineral and glass filled grade with low warp, easy flow and smooth surface appearance. Chemical abbreviation according to ISO 1043-1 : LCP Inherently flame retardant. FDA compliant&&

Product Description
SupplierCelanese
Generic液态聚合物
Material StatusCommercial: Active
FeaturesLow warping,Good surface appearance,Good liquidity,Flame Characteristics,V-0
AvailabilitysNorth America,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.77g/cm³ISO 1183
Shrinkage rate ISO 294-4
TD0.50%ISO 294-4
MD0.0%ISO 294-4

MECHANICALNominal valueUnitTest method
Tensile modulus11600MPaISO 527-2/1A/1
tensile strength
fracture118MPaISO 527-2/1A/5
Tensile strain
fracture2.0%ISO 527-2/1A/5
Bending modulus
23℃12000MPaISO 178
bending strength
23℃165MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃6.0kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength
23℃24kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch
23℃9.0kJ/m²ISO 180-1A
Notched impact strength of cantilever beam
23℃25kJ/m²ISO 180/1U

THERMALNominal valueUnitTest method
Hot deformation temperature
8.0 MPa, unannealed177ISO 75-2/C
1.8 MPa, unannealed260ISO 75-2/A
Melting temperature335ISO 11357-3
Linear coefficient of thermal expansion
TD2.0E-51/℃ISO 11359-2
MD1.1E-51/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity1.0E+16ohms·cmIEC 60093
Compared to the leakage tracing index175VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelV-0 UL 94

Process Conditions
injectionNominal valueUnitTest method
Drying temperature150 to 170°C
Drying time6.0hr
Recommended maximum moisture content0.010%
Hopper temperature20 to 30°C
Barrel rear temperature315 to 325°C
Barrel middle temperature320 to 330°C
Barrel front temperature330 to 340°C
Nozzle temperature335 to 345°C
Processing (melt) temperature340 to 350°C
Mold temperature80 to 120°C
Injection pressure50.0 to 150MPa
Injection speedFast 
Hold pressure50.0 to 150MPa
Back pressure0.00 to 3.00MPa

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