BASF ULTRAMID A3WG5 PA66
Plastic Granules
BASF ULTRAMID A3WG5 Nylon PA66 Resin
Ultramid® A3WG5 is a 25% glass fiber-reinforced polyamide 66 injection molding grade. Known for excellent heat resistance, high stiffness, and dimensional stability, this material is ideal for oil-resistant machinery components and solutions where strength and reliability are vital.
Typical property data
Physical Properties
- Density: 1320 kg/m³ (ISO 1183)
- Moisture absorption (Equilibrium, 23°C, 50% RH): 1.7 – 2.1% (similar to ISO 62)
- Water absorption (Saturation, 23°C): 5.7 – 6.3% (similar to ISO 62)
Mechanical Properties
- Tensile modulus (dry/conditioned): 8600 / 6500 MPa (ISO 527-1/-2)
- Stress at break (dry/conditioned): 180 / 120 MPa (ISO 527-1/-2)
- Strain at break (dry/conditioned): 3% / 6% (ISO 527-1/-2)
- Flexural modulus (dry/conditioned): 7600 / 6000 MPa (ISO 178)
- Flexural strength (dry/conditioned): 260 / 200 MPa (ISO 178)
- Tensile creep modulus (1000h): * / 4400 MPa (ISO 899-1)
Impact Properties
- Charpy unnotched impact strength (23°C): 60 / 90 kJ/m² (ISO 179/1eU)
- Charpy notched impact strength (23°C): 8 / 17 kJ/m² (ISO 179/1eA)
- Izod notched impact strength (23°C): 9.5 / 15 kJ/m² (ISO 180/A)
Thermal Properties
- Deflection temperature under load (1.8 MPa – HDT A): 245°C (ISO 75-1/-2)
- Deflection temperature under load (0.45 MPa – HDT B): 250°C (ISO 75-1/-2)
- Melting temperature (DSC): 260°C (ISO 11357-1/-3)
- Max service temperature (short cycle): 240°C
- Temperature index (50% tensile strength loss, 5000h): 175°C (IEC 60216)
- Coefficient of linear thermal expansion, longitudinal: 28 E-6/K (ISO 11359-1/-2)
- Thermal conductivity: 0.34 W/(m·K) (DIN 52612-1)
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 / 3000 E-4 (IEC 62631-2-1)
- Volume resistivity: 1E13 / 1E10 Ohm·m (IEC 62631-3-1)
- Surface resistivity: 1E12 / 1E10 Ohm (IEC 62631-3-2)
- Electric strength (d = 0.6 – 0.8 mm): 90 / 75 kV/mm (IEC 60243-1)
Flame Characteristics
- UL94 flammability rating at 1.5 mm: HB (IEC 60695-11-10)
- Oxygen index: 24% (ISO 4589-1/-2)
- Automotive materials flammability compliance: + (ISO 3795, FMVSS 302)
Processing Guide
- Melt temperature (injection molding): 280 – 300°C
- Mold temperature (injection molding): 80 – 90°C
- Mold shrinkage, parallel: 0.43% (ISO 294-4)
- Pre-drying temperature: 80°C
- Pre-drying time: 4 hours
Features & Benefits
Exceptional Heat Resistance
Withstanding temperatures up to 245°C, Ultramid® A3WG5 ensures durable performance in high-heat environments like automotive engines.
Exceptional Dimensional Stability
Glass fiber reinforcement minimizes shrinkage, enabling precision manufacturing for industrial applications like bearing cages and housings.
Excellent Mechanical Strength
High tensile modulus (8600 MPa) ensures robust components, ideal for load-bearing parts in machinery and electronics.
Use & Applications
- Automotive Sector: Ideal for engine covers, bearing cages, and structural components.
- Electrical & Electronics: Perfect for coil formers and housings.
- Machinery Components: Tailored for high-wear parts exposed to oil.