Plastic Granules
Invista™ U4801 Low Viscosity PA66 Resin
INVISTA™ U4801 is a versatile PA66 plastic resin tailored for general-purpose use in compounding, injection molding, and extrusion. This natural resin ensures ease of processing, exceptional mechanical performance, and outstanding color retention for diverse industrial applications.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.14 g/cm³ (ISO 1183)
- Mold Shrinkage (2.0 mm, Parallel): 1.5% (ISO 294-4)
- Mold Shrinkage (2.0 mm, Transverse): 1.8% (ISO 294-4)
- Water Absorption (24 hours): 1.8% (ISO 62)
- Water Absorption (Equilibrium at 50% RH): 2.6% (ISO 62)
Mechanical Properties
- Tensile Strength at Yield: 82 MPa (ISO 527)
- Elongation at Yield: 4.4% (ISO 527)
- Elongation at Break: 50% (ISO 527)
- Tensile Modulus: 2800 MPa (ISO 527)
- Flexural Modulus: 2800 MPa (ISO 178)
- Flexural Strength: 94 MPa (ISO 178)
- Notched Charpy Impact Strength at 23°C: 4.6 kJ/m² (ISO 179)
- Notched Charpy Impact Strength at -30°C: 3.9 kJ/m² (ISO 179)
- Unnotched Charpy Impact Strength at 23°C: NB (“No Break”) (ISO 179)
- Unnotched Charpy Impact Strength at -30°C: NB (“No Break”) (ISO 179)
- Notched Izod Impact Strength at 23°C: 5.0 kJ/m² (ISO 180)
Viscosity Properties
- Relative Viscosity (in Formic Acid): 48 (ASTM D789)
- Viscosity Number (0.5% in Sulfuric Acid): 150 mL/g (ISO 307)
- Relative Viscosity (1% in Sulfuric Acid): 2.7
Thermal Properties
- Melting Temperature (10°C/min): 261°C (ISO 11357)
- HDT (Heat Deflection Temperature) at 0.45 MPa: 192°C (ISO 75)
- HDT at 1.80 MPa: 71°C (ISO 75)
Injection Molding
- Drying Temperature: 80°C
- Drying Time: 8–12 hours*
- Barrel Temperatures:
- Rear: 250–270°C
- Middle: 270–290°C
- Front: 270–290°C
- Nozzle: 270–290°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: 4–6 mm
- Suggested Moisture Content:
- Maximum: 0.20 wt.%
- Minimum: 0.10 wt.%
- Screw Speed: 75–180 rpm
Use & Applications
- for compounding, injection molding, and extrusion applications