BASF Ultramid® A3W2G6 BK20560
Plastic Granules
BASF ULTRAMID A3W2G6 BK20560 (PA66+PA6)-GF30
Ultramid® A3W2G6 BK20560 is a PA66/PA6-based, 30% glass fiber-reinforced resin engineered for injection molding applications. Renowned for its exceptional heat aging resistance, oil resistance, and robust mechanical properties, it’s ideal for demanding environments like automotive powertrains and industrial machinery.
Typical property data
Physical Properties
- Density: 1360 kg/m³ (ISO 1183)
- Moisture Absorption (equilibrium at 23°C/50% RH): 1.2% – 1.9% (similar to ISO 62)
- Water Absorption (saturation in water at 23°C): 5.1% – 5.8% (similar to ISO 62)
Mechanical Properties (Dry / Conditioned)
- Tensile Modulus (dry/conditioned): 9450 MPa / 5400 MPa (ISO 527-1/-2)
- Stress at Break (dry/conditioned): 180 MPa / 105 MPa (ISO 527-1/-2)
- Strain at Break (dry/conditioned): 3.9% / 9.6% (ISO 527-1/-2)
- Flexural Modulus (dry/conditioned): 8720 MPa / 5470 MPa (ISO 178)
- Flexural Strength (dry/conditioned): 280 MPa / 170 MPa (ISO 178)
Impact Properties
- Charpy Unnotched Impact Strength (23°C): 95 kJ/m² / 105 kJ/m² (ISO 179/1eU)
- Charpy Unnotched Impact Strength (-30°C): 75 kJ/m² / 85 kJ/m² (ISO 179/1eU)
- Charpy Notched Impact Strength (23°C): 11.1 kJ/m² / 18 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength (-30°C): 8.6 kJ/m² / 8.8 kJ/m² (ISO 179/1eA)
Thermal Properties
- Melting Temperature (DSC): 260°C (ISO 11357-1/-3)
- Deflection Temperature under Load (HDT A, 1.8 MPa): 230°C (ISO 75-1/-2)
Flame Characteristics
- Flammability (Automotive Materials, Thickness ≥ 1 mm): Passes (ISO 3795, FMVSS 302)
Processing Guide
- Recommended Melt Temperature: 280°C – 300°C
- Recommended Mold Temperature: 80°C – 90°C
- Pre-drying Conditions:
- Temperature: 80°C
- Time: 4 hours
- Mold Shrinkage (Parallel/Normal):
- Parallel: 0.35% (ISO 294-4)
- Normal: 0.85% (ISO 294-4)
- Melt Volume Rate (MVR): 20 cm³/10min at 275°C/5 kg (ISO 1133)
- Flowability (Spiral Flow, d = 2.0 mm): 37 cm (BASF Method)
Features & Benefits
Enhanced Heat Aging Resistance
Ultramid® A3W2G6 BK20560 excels under prolonged high-temperature exposure, ensuring reliability in automotive powertrain components such as charge air coolers and engine covers.
Exceptional Mechanical Strength
Reinforced with 30% glass fiber, this resin delivers outstanding tensile strength (9450 MPa dry) and flexural performance, making it indispensable for structurally demanding parts.
Superb Oil and Moisture Resistance
The material’s low moisture absorption (1.2%–1.9%, 23°C/50% RH) and excellent oil resistance make it a preferred choice for fluid-exposed industrial and automotive components.
Use & Applications
- Automotive Powertrain Systems
- Industrial Machinery
- Electrical and Electronic Applications