BASF Ultramid® A3HG2
Plastic Granules
BASF ULTRAMID A3HG2 Nylon PA66 Resin
Ultramid® A3HG2 is a 10% glass fiber reinforced nylon polyamide 66 (PA66) resin. This injection-molding-grade material combines medium stiffness, excellent electrical insulation properties, and reliable dimensional stability, making it a go-to choice for diverse industrial applications.
Typical property data
Physical Properties
- Density: 1200 kg/m³ (ISO 1183)
- Moisture absorption (equilibrium at 23°C/50% RH): 1.9–2.3% (similar to ISO 62)
- Water absorption (saturation in water at 23°C): 6.7–7.3% (similar to ISO 62)
Mechanical Properties
- Tensile modulus:
- Dry: 4600 MPa (ISO 527-1/-2)
- Conditioned: 2600 MPa (ISO 527-1/-2)
- Stress at break:
- Dry: 100 MPa (ISO 527-1/-2)
- Conditioned: 60 MPa (ISO 527-1/-2)
- Strain at break:
- Dry: 2.8% (ISO 527-1/-2)
- Conditioned: 12% (ISO 527-1/-2)
- Flexural modulus: 4600 MPa (ISO 178)
- Flexural strength: 165 MPa (ISO 178)
Impact Properties
- Charpy unnotched impact strength (23°C):
- Dry: 30 kJ/m² (ISO 179/1eU)
- Conditioned: 92 kJ/m² (ISO 179/1eU)
- Charpy notched impact strength (23°C):
- Dry: 7 kJ/m² (ISO 179/1eA)
- Conditioned: 9 kJ/m² (ISO 179/1eA)
- Izod notched impact strength (23°C):
- Conditioned: 7 kJ/m² (ISO 180/A)
Thermal Properties
- Melting temperature: 260°C (ISO 11357-1/-3)
- Deflection temperature under load (HDT A): 210°C (ISO 75-1/-2)
- Thermal conductivity: 0.33 W/(m·K) (DIN 52612-1)
Electrical Properties
- Relative permittivity (1 MHz):
- Dry: 3.5 (IEC 62631-2-1)
- Conditioned: 5.5 (IEC 62631-2-1)
- Dissipation factor (1 MHz):
- Dry: 140 (E-4) (IEC 62631-2-1)
- Conditioned: 1600 (E-4) (IEC 62631-2-1)
- Volume resistivity:
- Dry: 1E13 Ohm*m (IEC 62631-3-1)
- Conditioned: 1E10 Ohm*m (IEC 62631-3-1)
- Surface resistivity:
- Dry: 1E12 Ohm (IEC 62631-3-2)
- Conditioned: 1E10 Ohm (IEC 62631-3-2)
- Comparative tracking index (CTI): 550 (Test liquid A, IEC 60112)
Flame Characteristics
- Flammability (automotive materials, thickness ≥ 1 mm): Passed (ISO 3795, FMVSS 302)
Processing Guide
- Melt temperature (injection molding): 280–300°C
- Mold temperature: 80–90°C
- Pre-drying temperature: 80°C
- Pre-drying time: 4 hours
- Mold shrinkage (constrained): 0.9%
Features & Benefits
Reinforced for Enhanced Strength
With 10% glass fiber reinforcement, Ultramid® A3HG2 delivers improved tensile and flexural strength (Tensile Modulus: 4600 MPa dry). This makes it ideal for industrial components requiring long-lasting structural performance under stress.
Superior Thermal Resistance
Rated with a high melting point of 260°C and deflection temperature under load (HDT A) of 210°C, this resin performs exceptionally in environments exposed to extreme heat. It ensures durability in applications such as automotive parts and electronic housings.
Reliable Electrical Insulation
Its balanced relative permittivity (3.5 dry, 5.5 conditioned) and exceptional volume resistivity make it a trusted choice for components in electrical and electronic applications.
Use & Applications
- Automotive Components: Ideal for housings and connectors that require heat resistance and dimensional stability.
- Electrical Housings: preferred choice in switches, panels, and circuit housings.
- Machinery Parts: Reliably used for medium-stiffness internal components subjected to moderate mechanical stress and wear.