Plastic Granules
Invista™ U3501 Low Viscosity Natural PA66 Resin
INVISTA™ U3501 is a versatile, low-viscosity PA66 resin. It features easy processing, natural color stability, and excellent mechanical property retention. Designed for professionals in compounding, injection molding, and extrusion.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.14 g/cm³ (ISO 1183)
- Mold Shrinkage (2.0 mm, parallel): 1.1% (ISO 294-4)
- Water Absorption (24 hours, immersion): 1.7% (ISO 62)
- Moisture Absorption (equilibrium @ 50% RH): 2.6% (ISO 62)
Mechanical Properties
- Tensile Strength at Yield: 82 MPa (ISO 527)
- Elongation at Yield: 3.9% (ISO 527)
- Elongation at Break: 45% (ISO 527)
- Tensile Modulus: 3000 MPa (ISO 527)
- Flexural Modulus: 2700 MPa (ISO 178)
- Flexural Strength (at 3.5% strain): 91 MPa (ISO 178)
- Notched Charpy (23°C): 4.7 kJ/m² (ISO 179)
- Notched Charpy (-30°C): 4.5 kJ/m² (ISO 179)
- Unnotched Charpy (23°C): NB (No Break) kJ/m² (ISO 179)
- Unnotched Charpy (-30°C): NB (ISO 179)
- Notched Izod (23°C): 4.8 kJ/m² (ISO 180)
Viscosity Properties
- RV in Formic Acid (Nominal): 35 (ASTM D789)
- VN at 0.5% in Sulfuric Acid (Nominal): 126mL/g (ISO 307)
- RV at 1% in Sulfuric Acid: 2.4 (No standard mentioned)
Thermal Properties
- Melting Temperature (10°C/min): 264°C (ISO 11357)
- Heat Deflection Temperature (HDT):0.45 MPa: 199°C (ISO 75)
- Heat Deflection Temperature (HDT): 1.80 MPa: 69°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 Content (Max): 0.20 wt%
- Suggested Moisture Content (Min): 0.1 wt%
Use & Applications
- for compounding, injection molding, and extrusion applications