Plastic Granules
Invista™ U4503 Low Viscosity PA66 Resin
INVISTA™ U4503 is a general-purpose PA66 (Nylon 66) feedstock resin specially formulated for compounding. It features reduced viscosity, superior flow, excellent mechanical stability, and ease of processingy.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.14 g/cm³ (ISO 1183)
- Mold Shrinkage – Parallel (2.0 mm): 1.0 % (ISO 294-4)
- Mold Shrinkage – Transverse (2.0 mm): 1.0 % (ISO 294-4)
- Water Absorption (24 hours): 2.1 % (ISO 62)
- Water Absorption (Equilibrium @ 50% RH): Not specified (ISO 62)
Mechanical Properties
- Tensile Strength at Yield: 85 MPa (ISO 527)
- Elongation at Yield: 4.3 % (ISO 527)
- Elongation at Break: 26 % (ISO 527)
- Tensile Modulus: 3000 MPa (ISO 527)
- Flexural Modulus: 2900 MPa (ISO 178)
- Flexural Strength: 96 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: No Break (ISO 179)
- Unnotched Charpy Impact Strength at -30°C: No Break (ISO 179)
- Notched Izod Impact Strength at 23°C: 4.0 kJ/m² (ISO 180)
Viscosity Properties
- Relative Viscosity in Formic Acid: 45 (ASTM D789)
- Viscosity Number (0.5% in Sulfuric Acid): 145 mL/g (ISO 307)
- Relative Viscosity (1% in Sulfuric Acid): 2.65 (no standard listed)
Thermal Properties
- Melting Temperature (10°C/min): 259 °C (ISO 11357)
- Heat Deflection Temperature (HDT) at 0.45 MPa: 190 °C (ISO 75)
- Heat Deflection Temperature (HDT) at 1.80 MPa: 62 °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 (Range): 4 – 6 mm
- Screw Speed: 75 – 180 rpm
- Suggested Moisture (Max): 0.20 wt%
- Suggested Moisture (Min): 0.10 wt%
Use & Applications
- For compounding applications.