BASF ULTRAMID B35EG3
Plastic Granules
ULTRAMID B35EG3 Injection Molding Grade PA6-GF15 Granules
Ultramid® B35EG3 is a BASF PA6-GF15 injection molding resin for rigid, heat-resistant parts. It delivers 5800 MPa tensile modulus, 190°C HDT A, and 40 cm³/10 min MVR. Ideal for automotive switches, mirror housings, and gas pressure molding.
Typical property data
Physical Properties
- Density: 1230 kg/m³ (ISO 1183)
- Bulk Density: approx. 0.7 g/cm³
- Viscosity Number: 170 cm³/g (ISO 307, ISO 1157, ISO 1628)
- Water Absorption, Saturation in Water at 23°C: 7.7–8.3% (similar to ISO 62)
- Moisture Absorption, Equilibrium at 23°C / 50% RH: 2.3–2.9% (similar to ISO 62)
Mechanical Properties
- Tensile Modulus: 5800 / 3500 MPa (ISO 527-1/-2)
- Stress at Break: 130 / 70 MPa (ISO 527-1/-2)
- Strain at Break: 4 / 18% (ISO 527-1/-2)
- Tensile Creep Modulus, 1000 h, strain ≤ 0.5%, 23°C: 2100 MPa (ISO 899-1)
- Flexural Modulus: 5200 / 2500 MPa (ISO 178)
- Flexural Strength: 180 / 100 MPa (ISO 178)
- Charpy Unnotched Impact Strength at 23°C: 60 / 105 kJ/m² (ISO 179/1eU)
- Charpy Unnotched Impact Strength at -30°C: 55 / – kJ/m² (ISO 179/1eU)
- Charpy Notched Impact Strength at 23°C: 9 / 25 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength at -30°C: 8 / – kJ/m² (ISO 179/1eA)
- Izod Notched Impact Strength at 23°C: 6.5 / 16 kJ/m² (ISO 180/A)
- Izod Notched Impact Strength at 23°C: 70 / 240 J/m (ASTM D256)
Thermal Properties
- Melting Temperature, DSC: 220°C (ISO 11357-1/-3)
- Deflection Temperature Under Load, 1.8 MPa, HDT A: 190°C (ISO 75-1/-2)
- Deflection Temperature Under Load, 0.45 MPa, HDT B: 215°C (ISO 75-1/-2)
- Maximum Service Temperature, Short Cycle Operation: 200°C
- Temperature Index, 50% Loss of Tensile Strength after 5,000 h: 165°C (IEC 60216)
- Temperature Index, 50% Loss of Tensile Strength after 20,000 h: 135°C (IEC 60216)
- Coefficient of Linear Thermal Expansion, Longitudinal, 23–55°C: 30–35 × 10⁻⁶/K (ISO 11359-1/-2)
- Coefficient of Linear Thermal Expansion, Transverse, 23–55°C: 70–80 × 10⁻⁶/K (ISO 11359-1/-2)
- Thermal Conductivity: 0.34 W/(m·K) (DIN 52612-1)
- Specific Heat Capacity: 1600 J/(kg·K)
Electrical Properties
- Relative Permittivity at 1 MHz: 3.8 / 7 dry / conditioned (IEC 62631-2-1)
- Dissipation Factor at 1 MHz: 250 / 2400 × 10⁻⁴ dry / conditioned (IEC 62631-2-1)
- Volume Resistivity: 1E13 / 1E10 Ω·m dry / conditioned (IEC 62631-3-1)
- Surface Resistivity: 1E12 / 1E10 Ω dry / conditioned (IEC 62631-3-2)
- Comparative Tracking Index, CTI, Test Liquid A: – / 550 dry / conditioned (IEC 60112)
Flame Characteristics
- UL94 Flammability Rating at Nominal 1.5 mm: HB at 1.57 mm (IEC 60695-11-10)
- UL94 Rating at 3.18 mm Thickness: HB (UL 94, IEC 60695)
- Automotive Materials, Thickness ≥ 1 mm: Passed (ISO 3795, FMVSS 302)
- Yellow Card Available: Yes
Processing Parameters
- Melt Volume Rate, MVR at 275°C / 5 kg: 40 cm³/10 min (ISO 1133)
- Melt Temperature, Injection Moulding / Extrusion: 270–290°C
- Recommended Melt Temperature: 280°C
- Mould Temperature, Injection Moulding: 80–90°C
- Recommended Mold Temperature: 80°C
- Moulding Shrinkage, Constrained: 0.55%
- Pre-Drying Temperature: 80°C
- Pre-Drying Time: 4 h
- Recommended Storage: Store in dry rooms; keep containers closed after opening
- Recommended Handling: Pre-dry before processing; use closed conveyor system where possible
Use & Applications
- internal gas pressure applications
- steering column switches
- automotive mirror housings
- mountain bike wheels