BASF ULTRAMID A3K
Plastic Granules
BASF ULTRAMID A3K Nylon PA66 Resin
Ultramid® A3K is a premium injection molding grade PA66 Nylon plastic resin. Featuring exceptional flowability, fast molding cycles, and superior oil resistance, it is ideal for demanding technical parts such as gears and bearings that require precision and durability.
Typical property data
Physical Properties
- Density: 1130 kg/m³ (ISO 1183)
- Water Absorption: 8−9% (at saturation, 23°C, ISO 62, similar)
- Moisture Absorption: 2.5−3.1% (at 23°C/50% relative humidity, ISO 62, similar)
Mechanical Properties
- Tensile Modulus: 3000 MPa (dry) / 1100 MPa (conditioned, ISO 527-1/-2)
- Yield Stress: 85 MPa (dry) / 50 MPa (conditioned, ISO 527-1/-2)
- Yield Strain: 4.5% (dry) / 20% (conditioned, ISO 527-1/-2)
- Nominal Strain at Break: 30% (dry) / >50% (conditioned, ISO 527-1/-2)
- Flexural Modulus: 2900 MPa (dry, ISO 178)
Impact Properties
Charpy Notched Impact Strength: at 23°C, 5 kJ/m² (dry) / 20 kJ/m² (conditioned, ISO 179/1eA)
at -30°C, 4 kJ/m²(dry)Izod Notched Impact Strength:
at 23°C, 5.5 kJ/m² (dry) (dry, ISO 180/A)
At −30°C, 6 kJ/m² (dry)
Thermal Properties
- Melting Temperature (DSC): 260°C (ISO 11357-1/-3)
- Deflection Temperature under Load (HDT A): 75°C (ISO 75-1/-2 at 1.8 MPa)
- Deflection Temperature under Load (HDT B): 220°C (ISO 75-1/-2 at 0.45 MPa)
- Coefficient of Linear Thermal Expansion (23–55°C): 98 * (E-6/K) (ISO 11359-1/-2)
Electrical Properties
- Relative Permittivity: 3.2 (dry) / 5 (conditioned, IEC 62631-2-1, 1 MHz)
- Dissipation Factor: 250*( E-4) (dry) / 2000*(E-4) (conditioned, IEC 62631-2-1, 1 MHz)
- Volume Resistivity: 1E13 (dry) / 1E10 (conditioned, IEC 62631-3-1)
- Surface Resistivity: 1E13 (dry) / 1E10 (conditioned, IEC 62631-3-2)
- Comparative Tracking Index (CTI, Liquid A): 600 (IEC 60112)
Flame Characteristics
- Automotive Material Flammability (≥1mm thickness): PASSED
Processing Guide
- Melting Temperature (Injection/Extrusion): 280−300°C
- Mould Temperature: 60−80°C
- Moulding Shrinkage (Constrained): 0.95%
- Molding Shrinkage (Parallel): 1.5% (ISO 294-4)
- Molding Shrinkage (Normal): 1.8% (ISO 294-4)
- Melt Flow Rate (MVR at 275°C/5kg): 120 cm³/10min (ISO 1133)
Features & Benefits
Easy Flow for Complex Molding
Ultramid® A3K boasts excellent flowability, enabling precise molding of intricate and detailed parts with minimal defects, perfect for gears or casings.
Oil Resistance for Longevity
Engineered for superior resistance to oils and lubricants, Ultramid® A3K ensures durable performance in mechanical and automotive components exposed to harsh environments.
Fast Processing for Efficiency
Designed for rapid injection molding cycles, Ultramid® A3K reduces production times, boosting efficiency for high-volume manufacturing without sacrificing quality.
Use & Applications
- Automotive: Precision gears, oil-resistant engine covers, and under-the-hood components.
- Industrial Equipment: Bearings, housings, and pump parts subjected to friction.
- Consumer Goods: Durable casings for power tools, appliances, and electronics.
- Electrical: High-performance connectors, switches, and housings exposed to thermal or electrical stress.