BASF ULTRAMID B3WG5

basf nylon pa resin 25kg package

BASF ULTRAMID B3WG5 Nylon PA66 Resin

Ultramid® B3WG5 is a 25% glass fiber-reinforced, injection-molding-grade PA66 resin with excellent heat-aging and oil resistance. Designed to meet demanding industrial applications.

Associated Documents

TDS - Data Sheet
SDS - Safety Data Sheet
Processing Data

Typical property data

Physical Properties
  • Density: 1320 kg/m³ (ISO 1183)
  • Water absorption (saturation, at 23 °C): 6.8–7.4% (similar to ISO 62)
  • Moisture absorption (equilibrium, 23 °C/50% r.h.): 2.1–2.5% (similar to ISO 62)
Mechanical Properties
  • Tensile modulus: 8,000 / 5,000 MPa (ISO 527-1/-2)
  • Stress at break: 160 / 105 MPa (ISO 527-1/-2)
  • Strain at break: 3.5% / 8.5% (ISO 527-1/-2)
  • Flexural modulus: 7,400 / 4,200 MPa (ISO 178)
  • Flexural strength: 220 / 150 MPa (ISO 178)
  • Tensile creep modulus (1000 h, strain ≤ 0.5%, 23 °C): 3,000 MPa (ISO 899-1)
Impact Properties
  • Charpy unnotched impact strength (23 °C): 80 / 105 kJ/m² (ISO 179/1eU)
  • Charpy notched impact strength (23 °C): 12 / 25 kJ/m² (ISO 179/1eA)
  • Izod notched impact strength (23 °C): 12 / 17 kJ/m² (ISO 180/A)
  • Izod notched impact strength (23 °C): 110 / 290 J/m (ASTM D 256)
Thermal Properties
  • Melting temperature: 220 °C (ISO 11357-1/-3)
  • Deflection temperature under load (HDT A, 1.8 MPa): 200 °C (ISO 75-1/-2)
  • Deflection temperature under load (HDT B, 0.45 MPa): 220 °C (ISO 75-1/-2)
  • Max. service temperature (short cycle operation): 200 °C
  • Temperature index (50% tensile strength loss after 5000 h): 175 °C (IEC 60216)
  • Thermal conductivity: 0.31 W/(m·K) (DIN 52612-1)
  • Specific heat capacity: 1330 J/(kg·K)
Electrical Properties
  • Relative permittivity (1 MHz): 3.8 / 7 (IEC 62631-2-1)
  • Volume resistivity: 1E13 / 1E10 Ohm·m (IEC 62631-3-1)
  • Electric strength (60601 mm³): 40 / 31 kV/mm (IEC 60243-1)
Flame Characteristics
  • UL94 flammability rating (1.5 mm): HB (IEC 60695-11-10)
  • UL94 flammability rating (3.05 mm): HB (UL-94, IEC 60695)
  • Automotive flammability (≥ 1 mm): Passed (ISO 3795, FMVSS 302)
Processing Guide
  • Melt temperature (injection molding): 270–290 °C
  • Mold temperature: 80–90 °C
  • MVR (275 °C/5 kg): 40 cm³/10 min (ISO 1133)
  • Pre-drying conditions: 80 °C for 4 hours

Features & Benefits

Superior Dimensional Stability

Engineered with 25% glass fiber reinforcement, Ultramid® B3WG5 maintains its shape under stress, reducing warping. Perfect for automotive parts under load.

High Heat & Oil Resistance

With a deflection temperature of up to 220 °C and superior oil resistance, it thrives in thermal and chemical-intensive environments like engine components.

Outstanding Impact and Strength

Impressive tensile (up to 8,000 MPa) and impact resistance ensure reliability for durable, high-load industrial applications.

basf nylon pa resin 25kg package

Use & Applications

  • Automotive: Fan housings, under-hood components, and oil-resistant parts.
  • Industrial Equipment: Gears, structural parts, and high-stress machinery components.
  • Electrical: Durable casings, connectors, and high-temperature applications.
basf nylon pa resin 25kg package

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