BASF ULTRAMID B3ZG8 BK20560
Plastic Granules
ULTRAMID B3ZG8 BK20560 Black Impact-modified PA6-I GF40
Ultramid® B3ZG8 BK20560 is an impact-modified PA6-I GF40 resin for injection molding. It delivers high stiffness, strong impact resistance, and stable heat performance. Use it for airbag housings, suitcase half-shells, and rigid industrial parts.
Typical property data
Physical Properties
- Density: 1400 kg/m³ (ISO 1183)
- Viscosity Number: 160 cm³/g (ISO 307, ISO 1157, ISO 1628)
- Test condition: 0.5% in 96% H₂SO₄
- Water Absorption, Saturation in Water at 23°C: 4.7–5.3% (similar to ISO 62)
- Moisture Absorption, Equilibrium at 23°C / 50% r.h.: 1.4–1.8% (similar to ISO 62)
- Bulk Density of Granules: Approx. 0.7 g/cm³
Mechanical Properties
- Tensile Modulus: 11600 / 6700 MPa (ISO 527-1/-2)
- Stress at Break: 160 / 115 MPa (ISO 527-1/-2)
- Strain at Break: 4.9 / 9.5% (ISO 527-1/-2)
- Flexural Modulus: 9500 / 6100 MPa (ISO 178)
- Flexural Strength: 250 / 155 MPa (ISO 178)
- Charpy Unnotched Impact Strength at 23°C: 110 / 130 kJ/m² (ISO 179/1eU)
- Charpy Unnotched Impact Strength at -30°C: 105 / 110 kJ/m² (ISO 179/1eU)
- Charpy Notched Impact Strength at 23°C: 24 / 40 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength at -30°C: 15 / 13.7 kJ/m² (ISO 179/1eA)
- Izod Notched Impact Strength at 23°C: 22 / – kJ/m² (ISO 180/A)
- Izod Notched Impact Strength at -30°C: 14 / – kJ/m² (ISO 180/A)
- Izod Notched Impact Strength at 23°C: 220 / – J/m (ASTM D256)
- Tensile Modulus at 80°C: 5000 / – MPa (ISO 527-1/-2)
- Stress at Break at 80°C: 100 / – MPa (ISO 527-1/-2)
- Strain at Break at 80°C: 9.8 / – % (ISO 527-1/-2)
Thermal Properties
- Melting Temperature, DSC: 220°C (ISO 11357-1/-3)
- Heat Deflection Temperature, HDT A at 1.8 MPa: 205°C (ISO 75-1/-2)
- Heat Deflection Temperature, HDT B at 0.45 MPa: 220°C (ISO 75-1/-2)
- Maximum Service Temperature, Short Cycle Operation: 180°C
- Coefficient of Linear Thermal Expansion, Longitudinal, 23–55°C: 18 × 10⁻⁶/K (ISO 11359-1/-2)
- Coefficient of Linear Thermal Expansion, Transverse, 23–55°C: 125 × 10⁻⁶/K (ISO 11359-1/-2)
- Thermal Conductivity: 0.36 W/(m·K) (DIN 52612-1)
Electrical Properties
- Relative Permittivity at 1 MHz: 4 / 5.3 (IEC 62631-2-1)
- Dissipation Factor at 1 MHz: 200 / 1300 × 10⁻⁴ (IEC 62631-2-1)
- Volume Resistivity: 1E13 / 1E10 Ohm·m (IEC 62631-3-1)
- Surface Resistivity: 1E12 / 1E10 Ohm (IEC 62631-3-2)
- Comparative Tracking Index, CTI, Test Liquid A: – / 550 (IEC 60112)
Flame Characteristics
- UL94 Flammability Rating at Nominal 1.5 mm: HB at 1.6 mm (IEC 60695-11-10)
- UL Yellow Card Availability at 1.6 mm: Yes
- UL94 Flammability Rating: HB at 0.73 mm (IEC 60695-11-10)
- UL Yellow Card Availability at 0.73 mm: Yes
- Automotive Materials Flammability, Thickness ≥ 1 mm: Passed (ISO 3795, FMVSS 302)
Processing Parameters
- Melt Volume Rate, MVR at 275°C / 5 kg: 10 cm³/10 min (ISO 1133)
- Recommended Melt Temperature, Injection Molding / Extrusion: 270–290°C
- Typical Melt Temperature: 280°C
- Recommended Mold Temperature, Injection Molding: 80–90°C
- Typical Mold Temperature: 80°C
- Molding Shrinkage, Constrained: 0.45%
- Molding Shrinkage, Parallel: 0.30% (ISO 294-4)
- Molding Shrinkage, Normal: 0.65% (ISO 294-4)
- Pre-Drying Temperature: 80°C
- Pre-Drying Time: 4 h
Use & Applications
- Automobile airbag housings
- suitcase half-shells
- industrial components requiring high impact strength and rigidity