Invista™ U4201 Nylon66
Plastic Granules
Invista™ U4201 High Viscosity PA66 Resin
INVISTA™ U4201 is a premium, general-purpose PA66 resin designed to deliver superior performance in compounding applications. With low viscosity for exceptional flow behavior, this material enables manufacturers to achieve precise molding.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.14 g/cm³ (ISO 1183)
- Mold Shrinkage (2.0 mm):
- Parallel: 1.4% (ISO 294-4)
- Transverse: 1.4% (ISO 294-4)
- Water Absorption:
- 24 hours: 1.8% (ISO 62)
- Equilibrium @ 50% RH: Data not provided
Mechanical Properties
- Tensile Strength at Yield: 82 MPa (ISO 527)
- Elongation:
- At Yield: 4.4% (ISO 527)
- At Break: 33% (ISO 527)
- Tensile Modulus: 2800 MPa (ISO 527)
- Flexural Modulus: 2800 MPa (ISO 178)
- Flexural Strength: 92 MPa (ISO 178)
- Impact Resistance:
- Notched Charpy:
- At 23°C: 5.0 kJ/m² (ISO 179)
- At -30°C: 4.3 kJ/m² (ISO 179)
- Unnotched Charpy:
- At 23°C: NB (ISO 179)
- At -30°C: 260 kJ/m² (ISO 179)
- Notched Izod at 23°C: 3.8 kJ/m² (ISO 180)
- Notched Charpy:
Viscosity Properties
- Relative Viscosity (RV) in Formic Acid: 42, nominal (ASTM D789)
- Viscosity Number (VN) at 0.5% in Sulfuric Acid: 138 mL/g (ISO 307)
- Relative Viscosity (RV) at 1% in Sulfuric Acid: 2.55, nominal
Thermal Properties
- Melting Temperature: 258°C (ISO 11357)
- Heat Deflection Temperature (HDT):
- @ 0.45 MPa: 191°C (ISO 75)
- @ 1.80 MPa: 62°C (ISO 75)
Injection Molding
- Drying:
- Temperature: 80°C
- Time: 8–12 hours (initial moisture < 0.5 wt%; use dehumidified air)
- Barrel Temperatures:
- Rear: 250–270°C
- Middle: 270–290°C
- Front: 270–290°C
- Nozzle: 270–295°C
- Processing Temperature (Melt): 280–295°C
- Mold Temperature: 50–90°C
- Back Pressure: 2–10 bar
- Vent Depth: 0.007–0.04 mm
- Cushion (Range): 4–6 mm
- Screw Speed: 75–180 rpm
- Maximum Moisture: 0.20 wt%
- Minimum Moisture: 0.10 wt%
Use & Applications
- For compounding applications.