Invista™ U2501 Nylon66

invista pa66 nylon polymer 25kg package

Invista™ U2501 Low Viscosity PA66 Resin

INVISTA™ U2501 PA66 Resin is a high-performance, low-viscosity, and high-flowability polyamide designed for compounding applications. Its unique formulation delivers superior mechanical integrity, thermal resilience, and exceptional flow properties, perfect for high-efficiency production.

Associated Documents

TDS - Data Sheet

Typical property data

Physical Properties
  • Density: 1.14 g/cm³ (ISO 1183)
  • Mold Shrinkage (2.0 mm, parallel): 1.3% (ISO 294-4)
  • Mold Shrinkage (2.0 mm, transverse): 1.5% (ISO 294-4)
  • Water Absorption (24 hours): 2.0% (ISO 62)
  • Water Absorption (at equilibrium, 50% RH): 2.6% (ISO 62)
Mechanical Properties
  • Tensile Strength (at yield): 82 MPa (ISO 527)
  • Elongation (at yield): 4.5% (ISO 527)
  • Elongation (at break): 9% (ISO 527)
  • Tensile Modulus: 3000 MPa (ISO 527)
  • Flexural Modulus: 2800 MPa (ISO 178)
  • Flexural Strength: 116 MPa (ISO 178)
  • Notched Charpy Impact Strength (23°C): 4.4 kJ/m² (ISO 179)
  • Notched Charpy Impact Strength (-30°C): 4.3 kJ/m² (ISO 179)
  • Unnotched Charpy Impact Strength (23°C): NB (No Break) (ISO 179)
  • Unnotched Charpy Impact Strength (-30°C): 70 kJ/m² (ISO 179)
  • Notched Izod Impact Strength (23°C): 3.7 kJ/m² (ISO 180)
Viscosity Properties
  • Relative Viscosity (RV) in Formic Acid: ~25 (ASTM D789)
  • Viscosity Number (VN) at 0.5% in Sulfuric Acid: ~100 mL/g (ISO 307)
  • RV at 1% in Sulfuric Acid: ~2.1 (Modified ISO 307)
Thermal Properties
  • Melting Temperature: 265°C (ISO 11357)
  • Heat Deflection Temperature (HDT) at 0.45 MPa: 207°C (ISO 75)
  • Heat Deflection Temperature (HDT) at 1.80 MPa: 73°C (ISO 75)
Injection Molding
  • Drying Temperature: 80°C
  • Drying Time: 10–16 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: 5–30 bar
  • Vent Depth: 0.007–0.04 mm
  • Cushion Range: 4–6 mm
  • Suggested Moisture Content:
    • Max: 0.20 wt%
    • Min: 0.10 wt%
  • Screw Speed: 50–150 rpm

Use & Applications

  • for compounding application

invista pa66 nylon polymer 25kg package

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