BASF Ultramid® A3X2G10
Plastic Granules
BASF ULTRAMID A3X2G10 PA66-GF50 FR(52)
Ultramid® A3X2G10 is a PA66-GF50 flame-retardant resin for injection molding. It delivers high stiffness, strong electrical insulation, CTI 600, HDT 250°C, and UL V-0/5VA performance for connectors, switchgear, and structural electrical parts.
Typical property data
Physical Properties
- Density: 1600 kg/m³ (ISO 1183)
- Viscosity Number: 140 cm³/g (ISO 307, ISO 1157, ISO 1628; 0.5% in 96% H₂SO₄)
- Water Absorption, Saturation in Water at 23°C: 3.7–4.3% (similar to ISO 62)
- Moisture Absorption, Equilibrium at 23°C / 50% RH: 0.7–1.1% (similar to ISO 62)
- Bulk Density: approx. 0.7 g/cm³
Mechanical Properties
- Tensile Modulus: 16000 / 12000 MPa (ISO 527-1/-2)
- Stress at Break: 180 / 130 MPa (ISO 527-1/-2)
- Strain at Break: 2 / 3% (ISO 527-1/-2)
- Tensile Creep Modulus, 1000 h, Strain ≤ 0.5%, 23°C: — / 5400 MPa (ISO 899-1)
- Flexural Modulus: 13000 / — MPa (ISO 178)
- Charpy Unnotched Impact Strength, 23°C: 55 / 55 kJ/m² (ISO 179/1eU)
- Charpy Unnotched Impact Strength, -30°C: 50 / — kJ/m² (ISO 179/1eU)
- Charpy Notched Impact Strength, 23°C: 13 / 16 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength, -30°C: 11 / — kJ/m² (ISO 179/1eA)
- Izod Notched Impact Strength, 23°C: 14 / 20 kJ/m² (ISO 180/A)
Optical Properties
- Specific Optical Smoke Density: 184 (EN ISO 5659-2:2007)
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)
- Deflection Temperature Under Load, 0.45 MPa, HDT B: 250°C (ISO 75-1/-2)
- Maximum Service Temperature, Short Cycle Operation: 220°C
- Temperature Index, 50% Loss of Tensile Strength after 5000 h: 145°C (IEC 60216)
- Temperature Index, 50% Loss of Tensile Strength after 20000 h: 125°C (IEC 60216)
- Coefficient of Linear Thermal Expansion, Longitudinal, 23–80°C: 17 × 10⁻⁶/K (ISO 11359-1/-2)
- Coefficient of Linear Thermal Expansion, Transverse, 23–80°C: 66 × 10⁻⁶/K (ISO 11359-1/-2)
- Thermal Conductivity: 0.35 W/(m·K) (DIN 52612-1)
- Specific Heat Capacity: 1300 J/(kg·K)
Electrical Properties
- Relative Permittivity at 1 MHz: 3.6 / 5 (IEC 62631-2-1)
- Dissipation Factor at 1 MHz: 200 / — × 10⁻⁴ (IEC 62631-2-1)
- Volume Resistivity: 1 × 10¹³ / 1 × 10¹⁰ Ohm·m (IEC 62631-3-1)
- Surface Resistivity: — / 1 × 10¹³ Ohm (IEC 62631-3-2)
- Comparative Tracking Index, CTI, Test Liquid A: 600 (IEC 60112)
- Electric Strength K20/K20, 60 × 60 × 1 mm³: 33 / 30 kV/mm (IEC 60243-1)
UL Yellow Card Electrical Data
- Comparative Tracking Index, CTI: 0 (UL Yellow Card)
- Dielectric Strength: 21 kV/mm (UL Yellow Card)
- Volume Resistivity: 10¹³ ohm·cm (UL Yellow Card)
- High-Voltage Arc Tracking Rate, HVTR: 0 (UL Yellow Card)
- High Voltage, Low Current Arc Resistance, D495: 5 (UL Yellow Card)
- Dimensional Change: 0% (UL Yellow Card)
Flame Characteristics
- Flame Retardant System: Red phosphorus-based
- Glow Wire Flammability Index, GWFI at 1 mm: 960°C (IEC 60695-2-12)
- Oxygen Index: 27% (ISO 4589-1/-2)
- Specific Optical Smoke Density: 184 (EN ISO 5659-2:2007)
- Smoke Toxicity, CIT NLP: 0.36 (NF X70-100-1/-2; according to CEN/TS 45545-2)
UL Yellow Card Flame Ratings — A3X2G10(f2)
- UL Flame Class, NC/BK, 0.40 mm: V-2 (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, NC/BK, 0.60 mm: V-2 (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, NC/BK/GY, 0.75 mm: V-2 (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, NC/GY, 1.5 mm: V-0 (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, NC/GY, 3.0 mm: V-0 (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, BK, 1.5 mm: V-0, 5VA (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, BK, 3.0 mm: V-0, 5VA (IEC 60695-11-10, IEC 60695-11-20)
UL Yellow Card Flame Ratings — A3X2G10(f1)
- UL Flame Class, BK, 1.5 mm: V-0, 5VA (IEC 60695-11-10, IEC 60695-11-20)
- UL Flame Class, BK, 3.0 mm: V-0, 5VA (IEC 60695-11-10, IEC 60695-11-20)
Processing Parameters
- Recommended Processing Method: Injection moulding
- Melting Temperature, DSC: 260°C (ISO 11357-1/-3)
- MVR at 275°C / 5 kg: 25 cm³/10 min (ISO 1133)
- Melt Temperature, Injection Moulding / Extrusion: 290–300°C
- Mould Temperature, Injection Moulding: 80–90°C
- Moulding Shrinkage, Constrained: 0.4%
Use & Applications
- Electrical connectors
- Circuit protection components
- Switchgear parts
- Relay housings
- Fuse holders
- Automotive electrical parts
- E-mobility insulation components
- Industrial control housings
- Appliance internal parts
- High-stiffness structural brackets