BASF ULTRAMID A3Z PA66
Plastic Granules
BASF ULTRAMID A3Z Nylon PA66 Resin
Ultramid® A3Z is a specialized impact-modified, injection molding-grade polyamide 66 resin offering outstanding low-temperature impact strength, excellent oil resistance, and superior mechanical stability. Ideal for precision components requiring performance in demanding industrial environments.
Typical property data
Physical Properties
- Density: 1060 kg/m³ (ISO 1183)
- Water Absorption (Saturation in Water at 23°C): 6.7% – 7.7% (similar to ISO 62)
- Moisture Absorption (Equilibrium at 23°C/50% r.h.): 2% – 2.6% (similar to ISO 62)
Mechanical Properties
- Tensile Modulus: 1800 MPa / 700 MPa (ISO 527-1/-2)
- Yield Stress (50 mm/min): 45 MPa / 30 MPa (ISO 527-1/-2)
- Yield Strain (50 mm/min): 4.5% / 40% (ISO 527-1/-2)
- Nominal Strain at Break (50 mm/min): 30% / >200% (ISO 527-1/-2)
- Tensile Creep Modulus (1000 h, strain ≤ 0.5%, 23°C): * / 450 MPa (ISO 899-1)
- Flexural Modulus: 1750 MPa / — (ISO 178)
- Flexural Strength: 64 MPa / — (ISO 178)
Impact Properties
- Charpy Notched Impact Strength (23°C): 90 kJ/m² / 115 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength (-30°C): 70 kJ/m² / 70 kJ/m² (ISO 179/1eA)
- Izod Notched Impact Strength (23°C): 90 kJ/m² / N/A (ISO 180/A)
- Izod Notched Impact Strength (-30°C): 29 kJ/m² / 50 kJ/m² (ISO 180/A)
Thermal Properties
- Melting Temperature (DSC): 260°C (ISO 11357-1/-3)
- Deflection Temperature (1.8 MPa, HDT A): 60°C (ISO 75-1/-2)
- Deflection Temperature (0.45 MPa, HDT B): 125°C (ISO 75-1/-2)
- Temperature Index (50% Tensile Strength after 5000h): 118°C (IEC 60216)
- Temperature Index (50% Tensile Strength after 20,000h): 99°C (IEC 60216)
- Coefficient of Linear Thermal Expansion (23–55°C):
- Longitudinal: 133 x 10⁻⁶ /K (ISO 11359-1/-2)
- Transverse: 120 x 10⁻⁶ /K (ISO 11359-1/-2)
- Thermal Conductivity: 0.33 W/m·K (DIN 52612-1)
Electrical Properties
- Relative Permittivity (1 MHz): 3.1 / 3.6 (IEC 62631-2-1)
- Dissipation Factor (1 MHz): 160E-4 / 700E-4 (IEC 62631-2-1)
- Volume Resistivity: 4 × 10¹² Ohm·m / 1 × 10¹⁰ Ohm·m (IEC 62631-3-1)
- Surface Resistivity: 1 × 10¹³ Ohm / 1 × 10¹² Ohm (IEC 62631-3-2)
- Comparative Tracking Index (CTI): 600 (IEC 60112)
Flame Characteristics
- UL94 Flammability (Nominal Thickness 1.5 mm): HB (IEC 60695-11-10)
- UL94 Flammability (Nominal Thickness 3.12 mm): HB (IEC 60695-11-10)
- Automotive Materials Flammability (Thickness ≥1 mm): Pass (ISO 3795, FMVSS 302)
Processing Guide
- Melt Temperature for Injection Molding / Extrusion: 280°C – 300°C
- Mold Temperature for Injection Molding: 60°C – 80°C
- MVR (275°C / 10 kg): 21 cm³/10 min (ISO 1133)
- Mold Shrinkage (Parallel): 1.97% (ISO 294-4)
- Mold Shrinkage (Normal): 1.59% (ISO 294-4)
Features & Benefits
Superior Low-Temperature Toughness
Ultramid® A3Z resists cracking in cold environments, ensuring reliable performance for automotive and outdoor components.
Excellent Oil Resistance
This resin withstands prolonged exposure to oils, reducing part wear and prolonging lifespan in machinery.
Precision and Dimensional Stability
With minimal shrinkage, Ultramid® A3Z maintains tight tolerances, perfect for high-spec molded parts like connectors.
Use & Applications
- Automotive Components: Ideal for gears, housings, and clips.
- Industrial Machinery: Perfect for pump housings, connectors.
- Electrical/Electronic Components: connectors and insulators.