Wellamid® 220-N

Category: Nylon 66 , Polyamide 66
Manufacturer: Wellman Engineering Resins
Trademark: Wellamid®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: VGXilT_Wellamid-220-N.pdf
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Wellamid® 220-N is a Polyamide 66 (Nylon 66) material. It is available in Asia Pacific, Europe, Latin America, or North America for injection molding. Primary attribute of Wellamid® 220-N: Flame Rated.
General Information
Forms
  • Pellets
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density 1.14g/cm³ISO 1183
Molding Shrinkage ISO 294-4
    Across Flow : 23°C 1.9 to 2.3%
    Flow : 23°C 1.8 to 2.2%
MechanicalNominal ValueUnitTest Method
Tensile Stress (Yield, 23°C)80.0MPaISO 527-2
Tensile Strain (Yield, 23°C)55%ISO 527-2
Flexural Modulus (23°C)2800MPaISO 178
Flexural Stress (23°C)100MPaISO 178
ImpactNominal ValueUnitTest Method
Notched Izod Impact Strength (23°C)5.5kJ/m²ISO 180
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (1.8 MPa, Unannealed)70.0°CISO 75-2/A
Melting Temperature (DSC) 260°CISO 3146
FlammabilityNominal ValueTest Method
Flame Rating (0.750 mm)V-2UL 94
InjectionNominal ValueUnit
Drying Temperature 79.4°C
Drying Time 2.0 to 4.0hr
Suggested Max Moisture 0.20%
Rear Temperature 277 to 293°C
Middle Temperature 271 to 288°C
Front Temperature 266 to 282°C
Nozzle Temperature 266 to 293°C
Processing (Melt) Temp 271 to 304°C
Mold Temperature 71.1 to 93.3°C
Injection Pressure 34.5 to 138MPa
Back Pressure 0.345MPa
Screw Speed 30 to 120rpm
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