Invista™ U4840NL Nylon66

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INVISTA U4840NL Nylon PA66 Resin

Plastic Granules

Polycarbonate Resin

Invista™ U4840NL Low Viscosity PA66 Resin

INVISTA™ U4840NL is a high-performance PA66 resin. Its unique lubrication improves processability. It is ideal for injection molding with fast crystallization and short cycle times.

Associated Documents

TDS - Data Sheet

Typical property data

Physical Properties

Density: 1.14 g/cm³ (ISO 1183)
Mold Shrinkage (2.0 mm, parallel): 1.4% (ISO 294-4)
Mold Shrinkage (2.0 mm, transverse): 1.5% (ISO 294-4)
Water Absorption (24 hours): 1.4% (ISO 62)
Water Absorption (equilibrium at 50% RH): 2.6% (ISO 62)

Mechanical Properties

Tensile Strength at Yield: 93 MPa (ISO 527)
Elongation at Yield: 4.0% (ISO 527)
Elongation at Break: 15% (ISO 527)
Tensile Modulus: 3700 MPa (ISO 527)
Flexural Modulus: 3100 MPa (ISO 178)
Flexural Strength: 99 MPa (ISO 178)
Notched Charpy Impact Strength at 23ºC: 3.7 kJ/m² (ISO 179)
Notched Charpy Impact Strength at -30ºC: 3.1 kJ/m² (ISO 179)
Notched Izod Impact Strength at 23ºC: 4.7 kJ/m² (ISO 180)

Viscosity Properties

RV in Formic Acid (Nominal): 48 (ASTM D789)
VN at 0.5% in Sulfuric Acid (Nominal): 150 mL/g (ISO 307)
VN at 0.5% in Formic Acid (Nominal): 137 mL/g (ISO 307)
RV at 1% in Sulfuric Acid (Nominal): 2.7 (No Method)

Thermal Properties

Melting Temperature (10°C/min): 263°C (ISO 11357)
HDT at 0.45 MPa: 230°C (ISO 75)
HDT at 1.80 MPa: 80°C (ISO 75)
Ball Pressure (3.0 mm): 240°C (IEC 60695)

Electrical Properties

Dielectric Strength (1.0 mm): 18 kV/mm (UL 746A)
Comparative Tracking Index (3.0 mm): 600 Volts (IEC 60112)
High Voltage Arc Tracking Rate (HVTR): PLC 0 (UL 746A)
Comparative Tracking Index (3.0 mm): PLC 5 (UL 746A)

Flame Characteristics

Flame Rating:
- V-2 at 0.40 mm (UL 94)
- V-2 at 0.71 mm (UL 94)
- V-2 at 1.5 mm (UL 94)
- V-2 at 3.0 mm (UL 94)
Glow-Wire Flammability:
- 960°C at 0.71 mm (IEC 60695)
- 960°C at 1.5 mm (IEC 60695)
- 960°C at 3.0 mm (IEC 60695)

Injection Molding

Drying Temperature: 80°C
Drying Time: 3-4 hours
Barrel Temperatures:
- Rear: 250-270°C
- Middle: 270-290°C
- Front/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 Content: 0.10-0.20 wt%
Screw Speed: 75-180 RPM

Use & Applications

for injection molding applications