BASF Ultramid® A3UG5
Plastic Granules
BASF ULTRAMID A3UG5 Nylon PA66 Resin
Ultramid® A3UG5 is a high-performance PA66 resin reinforced with 25% glass fiber. Featuring halogen-free flame retardance, ultra-low phosphorus content, and excellent oil resistance, it’s specially designed to tackle demanding industrial and electronic environments with reliability and ease.
Typical property data
Physical Properties
- Density: 1390 kg/m³ (ISO 1183)
- Water Absorption (Saturation in Water at 23°C): 4%−4.6% (similar to ISO 62)
- Moisture Absorption (Equilibrium at 23°C/50% RH): 1.1%−1.5% (similar to ISO 62)
Mechanical Properties
- Tensile Modulus (Dry/Conditioned): 9500/6100 MPa (ISO 527-1/-2)
- Stress at Break (Dry/Conditioned): 145/90 MPa (ISO 527-1/-2)
- Strain at Break (Dry/Conditioned): 3%/5% (ISO 527-1/-2)
- Flexural Modulus (Dry/Conditioned): 9500/6100 MPa (ISO 178)
- Flexural Strength (Dry/Conditioned): 230/160 MPa (ISO 178)
Impact Properties
- Charpy Unnotched Impact Strength at 23°C: 65 kJ/m² (ISO 179/1eU)
- Charpy Notched Impact Strength at 23°C: 7.5/9 kJ/m² (Dry/Conditioned, ISO 179/1eA)
Thermal Properties
- Melting Temperature (DSC): 260 °C (ISO 11357-1/-3)
- Deflection Temperature under Load (1.8 MPa, HDT A): 245 °C (ISO 75-1/-2)
- Deflection Temperature under Load (0.45 MPa, HDT B): 260 °C (ISO 75-1/-2)
- High-Temperature Limit (20,000 h, with 50% Tensile Strength Retention): 130 °C (IEC 60216)
- High-Temperature Limit (5000 h, with 50% Tensile Strength Retention): 155 °C (IEC 60216)
- Coefficient of Thermal Expansion:
- Parallel: 28×(E-6/K) (ISO 11359-1/-2)
- Normal: 72×(E-6/K (ISO 11359-1/-2)
Electrical Properties
- Relative Permittivity (1 MHz, Dry/Conditioned): 3.8/4.6 (IEC 62631-2-1)
- Dissipation Factor (1 MHz, Dry/Conditioned): 170×(E-4) / 1000×(E-4) (IEC 62631-2-1)
- Volume Resistivity (Dry/Conditioned): 1E13 / 1E10 (IEC 62631-3-1)
- Surface Resistivity (Conditioned): 1E13 (IEC 62631-3-2)
- Comparative Tracking Index (CTI): 600 (IEC 60112)
- Electric Strength (Dry/Conditioned): 40 / 37 kV/mm (IEC 60243-1)
Flame Characteristics
- Flammability (UL 94):
- V−0, Thickness: 0.75 mm, All Colors
- V−0, 5VAV, Thickness: 1.5 mm, \text{BK & GY Only}
- Glow-Wire Flammability Index (GWFI): 960 °C at 0.75 mm thickness (IEC 60695-2-12)
Processing Guide
- Melt Temperature for Injection Molding/Extrusion: 280−300 °C
- Mold Temperature for Injection Molding: 80−90 °C
- Melt Volume Rate (MVR): 25 cm³/10min at 275 °C, 5 kg (ISO 1133)
- Shrinkage:
- Parallel: 0.4% (ISO 294-4)
- Normal: 1.2% (ISO 294-4)
Features & Benefits
Outstanding Strength and Durability
Reinforced with 25% glass fiber, Ultramid® A3UG5 delivers superior mechanical properties to support heavy-duty applications.
Halogen-Free Flame Retardance
Achieving UL 94 V-0 classification, it ensures fire safety while meeting health and environmental compliance standards.
Excellent Oil Resistance
Low phosphorus formulation minimizes corrosion risks in electrical contacts, ensuring longevity in harsh operating environments.
Use & Applications
- Electrical & Electronics: Circuit breakers, switchgear, and insulating housings for enhanced safety and performance.
- Automotive: Oil sumps, engine covers, and components exposed to elevated temperatures and lubricants.
- Industrial Equipment: High-strength housings and parts for machinery operating in challenging environments.