BASF ULTRAMID A3WG7 PA66
Plastic Granules
BASF ULTRAMID A3WG7 Nylon PA66 Resin
Ultramid® A3WG7 is a 35% glass fiber reinforced polyamide 66 resin, designed for high-performance injection molding applications. Renowned for exceptional heat and oil resistance, this material provides durable solutions for demanding environments in automotive, industrial, and electronic sectors.
Typical property data
Physical Properties
- Polymer abbreviation: PA66-GF35
- Density: 1410 kg/m³ (ISO 1183)
- Moisture absorption (23°C, 50% r.h.): 1.4 – 1.8% (similar to ISO 62)
- Water absorption (saturation, 23°C): 4.7 – 5.3% (similar to ISO 62)
Mechanical Properties
- Tensile modulus (dry/conditioned): 11,500 MPa / 8,500 MPa (ISO 527-1/-2)
- Stress at break (dry/cond.): 210 MPa / 150 MPa (ISO 527-1/-2)
- Strain at break (dry/cond.): 3% / 5% (ISO 527-1/-2)
- Flexural modulus (dry/cond.): 10,000 MPa / 8,000 MPa (ISO 178)
- Flexural strength (dry/cond.): 300 MPa / 240 MPa (ISO 178)
- Tensile creep modulus (1000h, 23°C, ≤0.5% strain): * / 6600 MPa (ISO 899-1)
Impact Properties
- Charpy unnotched impact strength (23°C): 95 / 105 kJ/m² (dry/cond.) (ISO 179/1eU)
- Charpy unnotched impact strength (-30°C): 75 / – kJ/m² (dry/cond.) (ISO 179/1eU)
- Charpy notched impact strength (23°C): 14 / 22 kJ/m² (dry/cond.) (ISO 179/1eA)
- Charpy notched impact strength (-30°C): 12 / – kJ/m² (dry/cond.) (ISO 179/1eA)
Thermal Properties
- Melting temperature (DSC): 260°C (ISO 11357-1/-3)
- Deflection temperature under load (1.8 MPa, HDT A): 250°C (ISO 75-1/-2)
- Maximum service temperature (short cycle operation): 240°C
- Thermal conductivity: 0.35 W/(m·K) (DIN 52612-1)
- Linear thermal expansion (23-55°C):
- Longitudinal: 23 E-6/K (ISO 11359-1/-2)
- Transverse: 93 E-6/K (ISO 11359-1/-2)
Electrical Properties
- Relative permittivity (1 MHz, dry/cond.): 3.5 / 5.7 (IEC 62631-2-1)
- Dissipation factor (1 MHz, dry/cond.): 200 E-4 / 3000 E-4 (IEC 62631-2-1)
- Volume resistivity (dry/cond.): 1E13 / 1E10 Ohm·m (IEC 62631-3-1)
- Surface resistivity (dry/cond.): 1E12 / 1E10 Ohm (IEC 62631-3-2)
- Electric strength (0.6-0.8 mm, dry/cond.): 90 kV/mm / 75 kV/mm (IEC 60243-1)
Flame Characteristics
- UL94 rating (1.5 mm): HB (IEC 60695-11-10)
- UL94 rating (3.05 mm): HB (IEC 60695-11-10)
- Oxygen index: 24% (ISO 4589-1/-2)
Processing Guide
- Melt temperature (recommended): 280-300°C
- Mould temperature (recommended): 80-90°C
- Moulding shrinkage (parallel): 0.37% (ISO 294-4)
- Moulding shrinkage (normal): 1.04% (ISO 294-4)
- Pre-drying temperature: 80°C
- Pre-drying time: 4 hours
Features & Benefits
Enhanced Mechanical Strength
With 35% glass fiber reinforcement, Ultramid® A3WG7 delivers remarkable tensile (11,500 MPa) and flexural strength (10,000 MPa), ensuring structural integrity in high-stress environments such as automotive gears and fuel distributors.
Superior Heat Resistance
Withstanding service temperatures up to 240°C and featuring an HDT of 250°C, this resin excels in extreme conditions. Ideal for under-the-hood automotive components and other heat-exposed applications.
Excellent Oil and Moisture Resistance
Ultramid® A3WG7 absorbs minimal moisture, maintaining performance in damp industrial settings. Its oil resistance makes it perfect for valves, housings, and machinery exposed to lubricants.
Use & Applications
- Automotive: Fuel distributors, gearshift components, solenoid valve housings.
- Industrial Equipment: High-strength gears, cable attachments, machinery parts.
- Electronics: Components requiring precise mechanical and thermal stability.