VYPET VNT 840

Category: PET , Polyethylene Terephthalate
Manufacturer: Lavergne Group
Trademark: VYPET
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: mG8GKg_VYPET-VNT-840.pdf
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Message
Vypet VNT 840 is a 40% glass/mineral reinforced PET injection molding compound designed for electrical and structural applications, with High Dielectric Strength.

Features
  • High temperature performance
  • Excellent strength & high stiffness
  • Excellent dimensional stability

Typical Applications
  • Electric motors
  • Brackets
  • Connectors
General Information
Filler / Reinforcement
  • Glass \mineral, 40% filler by weight
Features
  • Good dimensional stability
  • Rigidity, high
  • Good strength
  • Heat resistance, high
Uses
  • Electrical/Electronic Applications
  • Electrical components
  • Connector
PhysicalNominal ValueUnitTest Method
Density (23°C)1.61g/cm³ISO 1183
Molding Shrinkage 1ASTM D955
    Flow : 3.20mm 0.50%ASTM D955
    Transverse flow : 3.20mm 1.0%ASTM D955
Water Absorption (23°C, 24 hr)0.060%ASTM D570
HardnessNominal ValueUnitTest Method
Rockwell Hardness (R-Scale)109ASTM D785
MechanicalNominal ValueUnitTest Method
Tensile Stress (Break, 23°C)120MPaISO 527-2/5
Flexural Modulus 210500MPaISO 178
Flexural Stress 3177MPaISO 178
Compressive Strength 4126MPaASTM D695
Shear Strength 49.0MPaASTM D732
ImpactNominal ValueUnitTest Method
Notched Izod Impact (23°C)7.0kJ/m²ISO 180
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (1.8 MPa, Unannealed)222°CISO 75-2/A
Melting Temperature (DSC) 246°CISO 3146
Linear thermal expansion coefficient ASTM E831
    Flow : 23 to 55°C 2.6E-5cm/cm/°CASTM E831
    Lateral : 23 to 55°C 3.1E-5cm/cm/°CASTM E831
ElectricalNominal ValueUnitTest Method
Volume Resistivity 1.7E+16ohms·cmASTM D257
Dielectric Strength 5(23°C, 1.60 mm, in Oil)28kV/mmASTM D149
Dielectric Constant (1 kHz)3.80ASTM D150
Dissipation Factor (1 kHz)8.0E-3ASTM D150
FlammabilityNominal ValueUnitTest Method
Flame Rating (3.20 mm)HBUL 94
InjectionNominal ValueUnit
Drying Temperature 120°C
Drying Time 2.0 - 4.0hr
Suggested Max Moisture 0.020%
Rear Temperature 260 - 270°C
Middle Temperature 265 - 275°C
Front Temperature 270 - 295°C
Nozzle Temperature 275 - 300°C
Processing (Melt) Temp 275 - 300°C
Mold Temperature 75.0 - 120°C
Injection instructions
Mold temperature (thick wall): 75 to 95°CMold temperature (thin wall): 95 to 120°C
Note Message
1 .3.2mm x 7.6mm x 12.6mm
2 .2.0 mm/min
3 .2.0 mm/min
4 .1.3 mm/min
5 .500 V/sec
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