BASF Ultramid® B3WG12 HSP BK23228
Plastic Granules
ULTRAMID B3WG12 HSP BK23228 Impact Modified 12% Glass Fiber Reinforced
Ultramid® B3WG12 HSP BK23228 is a glass-fibre reinforced (60% GF, PA6-GF60) and heat-ageing-resistant injection moulding grade from BASF, engineered for structural parts with very high stiffness requirements. It combines high flowability with excellent surface quality, enabling thin-wall, complex geometries without sacrificing mechanical integrity.
Typical property data
Physical Properties
Density: 1.10 g/cm³ (ISO 1183)
Melt Volume-Flow Rate (MVR): 12.0 cm³/10 min (ISO 1133)
Molding Shrinkage (Longitudinal): 0.8 % (ISO 294-4)
Molding Shrinkage (Transverse): 1.0 % (ISO 294-4)
Water Absorption (Saturation, 23°C): 8.5 % (ISO 62)
Humidity Absorption: 2.2 % (ISO 62)
Mechanical Properties
Tensile Modulus (Dry): 4,800 MPa (ISO 527-2)
Tensile Modulus (Conditioned): 2,900 MPa (ISO 527-2)
Tensile Stress at Break (Dry): 95.0 MPa (ISO 527-2)
Tensile Stress at Break (Conditioned): 60.0 MPa (ISO 527-2)
Tensile Strain at Break (Dry): 3.5 % (ISO 527-2)
Charpy Impact Strength (Unnotched, 23°C, Dry): 75 kJ/m² (ISO 179/1eU)
Charpy Impact Strength (Unnotched, -30°C, Dry): 55 kJ/m² (ISO 179/1eU)
Charpy Notched Impact Strength (23°C, Dry): 15 kJ/m² (ISO 179/1eA)
Charpy Notched Impact Strength (23°C, Conditioned): 30 kJ/m² (ISO 179/1eA)
Charpy Notched Impact Strength (-30°C, Dry): 8.0 kJ/m² (ISO 179/1eA)
Thermal Properties
Heat Deflection Temperature (HDT, 1.8 MPa): 185 °C (ISO 75-2)
Heat Deflection Temperature (HDT, 0.45 MPa): 210 °C (ISO 75-2)
Melting Temperature (DSC): 220 °C (ISO 3146)
Coefficient of Linear Thermal Expansion (Longitudinal): 4.5E-5 cm/cm/°C (ISO 11359-2)
Coefficient of Linear Thermal Expansion (Transverse): 1.1E-4 cm/cm/°C (ISO 11359-2)
Electrical Properties
Volume Resistivity: 1.0E+13 Ohm·m (IEC 62631-3-1)
Surface Resistivity: 1.0E+13 Ohm (IEC 62631-3-2)
Comparative Tracking Index (CTI): 600 V (IEC 60112)
Relative Permittivity (1 MHz): 3.5 (IEC 62631-2-1)
Flame Characteristics
Flammability Rating (1.6 mm): HB (UL 94)
Flammability Rating (3.2 mm): HB (UL 94)
Oxygen Index: 22 % (ISO 4589-2)
Processing Parameters
Drying Temperature: 80 °C
Drying Time: 4.0 h
Maximum Moisture Content: 0.15 %
Melt Temperature (Optimal): 260 – 280 °C
Mold Temperature (Optimal): 80 – 90 °C
Injection Pressure: 3.5 – 12.5 MPa
Screw Speed: Medium to High
Use & Applications
- for structural parts with very high stiffness requirements