Invista™ U5101 Nylon66

invista pa66 nylon polymer 25kg package

Invista™ U5101 Low Viscosity PA66 Resin

INVISTA™ U5101 is a versatile PA66 resin optimized for compounding, injection molding, and extrusion. It offers exceptional processing ease, outstanding color consistency, and durable performance for demanding industrial applications.

Associated Documents

TDS - Data Sheet

Typical property data

Physical Properties
  • Density: 1.14 g/cm³ (ISO 1183)
  • Mold Shrinkage:
    • Parallel: 1.6% (ISO 294-4)
    • Transverse: 1.9% (ISO 294-4)
  • Water Absorption:
    • 24 hours: 1.6% (ISO 62)
    • Equilibrium @ 50% RH: 2.6% (ISO 62)
Mechanical Properties
  • Tensile Strength at Yield: 80 MPa (ISO 527)
  • Tensile Modulus: 2850 MPa (ISO 527)
  • Flexural Modulus: 2900 MPa (ISO 178)
  • Flexural Strength: 92 MPa (ISO 178)
  • Elongation:
    • At Yield: 3.8% (ISO 527)
    • At Break: 30% (ISO 527)
  • Impact Strength:
    • Notched Charpy @ 23°C: 4.7 kJ/m² (ISO 179)
    • Notched Charpy @ -30°C: 4.1 kJ/m² (ISO 179)
    • Unnotched Charpy @ 23°C: NB (ISO 179)
    • Unnotched Charpy @ -30°C: NB (ISO 179)
    • Notched Izod @ 23°C: 4.8 kJ/m² (ISO 180)
Viscosity Properties
  • Relative Viscosity (RV) in Formic Acid (Nominal): 51 (ASTM D789)
  • Viscosity Number (VN) at 0.5% in Sulfuric Acid (Nominal): 155 mL/g (ISO 307)
  • Relative Viscosity (RV) at 1% in Sulfuric Acid (Nominal): 2.8
Thermal Properties
  • Melting Temperature: 262°C (ISO 11357)
  • HDT (Heat Deflection Temperature):
    • Under 0.45 MPa: 207°C (ISO 75)
    • Under 1.80 MPa: 65°C (ISO 75)
Injection Molding
  • Drying Temperature: 80°C
  • Drying Time: 6–10 hours
  • Processing Temperatures:
    • Rear Barrel: 250–270°C
    • Middle Barrel: 270–290°C
    • Front Barrel: 270–290°C
    • Nozzle: 270–295°C
  • Melt Temperature: 280–295°C
  • Mold Temperature: 50–90°C
  • Back Pressure: 2–10 bar
  • Vent Depth: 0.007–0.04 mm
  • Screw Speed: 75–180 rpm
  • Suggested Moisture Content:
    • Maximum: 0.20 wt%
    • Minimum: 0.10 wt%

Use & Applications

  • for compounding, injection molding, and extrusion applications
invista pa66 nylon polymer 25kg package

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