BASF Ultramid® A3HG5
Plastic Granules
BASF ULTRAMID A3HG5 Nylon PA66 Resin
Ultramid® A3HG5 is a 25% glass fiber-reinforced polyamide 66 resin designed for injection molding. It combines high dimensional stability with exceptional stiffness, making it ideal for demanding applications requiring reliable performance and long-lasting mechanics.
Typical property data
Physical Properties
- Density: 1320 kg/m³ (ISO 1183)
- Viscosity number: 145 cm³/g (ISO 307, 1157, 1628)
- Moisture absorption (23°C/50% RH): 1.7 – 2.1% (similar to ISO 62)
- Water absorption (saturation in water at 23°C): 5.7 – 6.3% (similar to ISO 62)
Mechanical Properties
- Tensile Modulus (dry/conditioned): 8500 / 5900 MPa (ISO 527-1/-2)
- Stress at Break (dry/conditioned): 175 / 115 MPa (ISO 527-1/-2)
- Strain at Break (dry/conditioned): 3.9% / 8.2% (ISO 527-1/-2)
- Flexural Modulus (dry/conditioned): 7900 / 5500 MPa (ISO 178)
- Flexural Strength (dry/conditioned): 275 / 185 MPa (ISO 178)
Impact Properties
- Charpy Unnotched Impact Strength (23°C): 70 / 95 kJ/m² (ISO 179/1eU)
- Charpy Unnotched Impact Strength (-30°C): 60 / 60 kJ/m² (ISO 179/1eU)
- Charpy Notched Impact Strength (23°C): 9.8 / 12.8 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength (-30°C): 8.2 / 7.8 kJ/m² (ISO 179/1eA)
Thermal Properties
- Melting Temperature: 260°C (ISO 11357-1/-3)
- Deflection Temperature Under Load (HDT A at 1.8 MPa): 245°C (ISO 75-1/-2)
- Deflection Temperature Under Load (HDT B at 0.45 MPa): 260°C (ISO 75-1/-2)
- Temperature Index (50% strength loss after 5000 h): 170°C (IEC 60216)
- Temperature Index (50% strength loss after 20000 h): 140°C (IEC 60216)
- Thermal Conductivity: 0.34 W/(m·K) (DIN 52612-1)
- Coefficient of Linear Thermal Expansion (Longitudinal): 28×(E-6/K) (ISO 11359-1/-2)
- Coefficient of Linear Thermal Expansion (Transverse): 97×(E-6/K) (ISO 11359-1/-2)
Electrical Properties
- Relative Permittivity (1 MHz, dry/conditioned): 3.5 / 5.5 (IEC 62631-2-1)
- Dissipation Factor (1 MHz, dry/conditioned): 140×(E-4) / 1600×(E-4) (IEC 62631-2-1)
- Volume Resistivity (dry/conditioned): 1E13/ 1E10 Ohm·m (IEC 62631-3-1)
- Surface Resistivity (dry/conditioned): 1E12 / 1E10 Ohm (IEC 62631-3-2)
- Comparative Tracking Index (CTI): 550 (IEC 60112)
Flame Characteristics
- UL94 Flammability Rating at 1.5 mm: HB (IEC 60695-11-10)
- UL94 Flammability Rating at 0.8 mm: HB (IEC 60695-11-10)
- Oxygen Index: 24% (ISO 4589-1/-2)
Processing Guide
- Melt Temperature (Injection Molding/Extrusion): 280 – 310°C
- Mold Temperature (Injection Molding): 80 – 90°C
- Pre-drying Conditions: 80°C for 4 hours
- MVR at 275°C, 5 kg: 32 cm³/10 min (ISO 1133)
- Molding Shrinkage (Parallel/Normal): 0.48% / 1.06% (ISO 294-4)
Features & Benefits
High Dimensional Stability
It ensures parts maintain tight tolerances under varying conditions. Perfect for components like bearing cages and coil formers.
Outstanding Mechanical Strength
With tensile and flexural strengths of up to 275 MPa, it endures high mechanical stress for durable performance.
Thermal Reliability
It withstands temperatures up to 260°C, ensuring consistent performance for use in heat-intensive industrial operations.
Use & Applications
- Electrical Insulation Parts: connectors, circuit breakers, or housings.
- Automotive Components: engine covers, intake manifolds, and other structural parts.
- Industrial Machinery: pump impellers, gears, and structural brackets.