Invista™ U2503 Nylon66
Plastic Granules
Invista™ U2503 High Viscosity PA66 Resin
INVISTA™ U2503 is a premium PA66 resin engineered for compounding and exceptional performance. With high flowability and low viscosity, it’s ideal for glass-fiber-reinforced applications, ensuring easier processing and outstanding mechanical strength across industries.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.14 g/cm³ (ISO 1183)
- Mold Shrinkage:
- Parallel (2.0 mm): 1.3% (ISO 294-4)
- Transverse (2.0 mm): 1.5% (ISO 294-4)
- Water Absorption:
- 24 Hours: 2.0% (ISO 62)
- Equilibrium at 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)
- Impact Strength (Charpy):
- Notched (23°C): 4.4 kJ/m² (ISO 179)
- Notched (-30°C): 4.3 kJ/m² (ISO 179)
- Unnotched (23°C): NB (“No Break”) (ISO 179)
- Unnotched (-30°C): 70 kJ/m² (ISO 179)
- Impact Strength (Izod):
- Notched (23°C): 3.7 kJ/m² (ISO 180)
Viscosity Properties
- Relative Viscosity (Formic Acid): 25 (ASTM D789)
- Viscosity Number (Sulfuric Acid, 0.5%): 100 mL/g (ISO 307)
- Relative Viscosity (Sulfuric Acid, 1%): 2.1
Thermal Properties
- Melting Temperature: 265°C (ISO 11357)
- HDT (Heat Deflection Temperature):
- 0.45 MPa: 207°C (ISO 75)
- 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: 2–10 bar
- Vent Depth: 0.007–0.04 mm
- Cushion Range: 4–6 mm
- Suggested Moisture Range:
- Maximum: 0.20 wt%
- Minimum: 0.10 wt%
- Screw Speed: 75–180 rpm
Use & Applications
- For compounding applications.