BASF ULTRAMID B3S

basf nylon pa resin 25kg package

BASF ULTRAMID B3S Nylon PA66 Resin

Ultramid® B3S is a finely crystalline, impact-modified PA6 resin with excellent flowability, oil resistance, and good impact strength. Designed for fast molding cycles, it is ideal for thin-walled technical parts like housings, fittings, and grips, offering durability and precision in processing.

Associated Documents

TDS - Data Sheet
SDS - Safety Data Sheet
Processing Data

Typical property data

Physical Properties
  • Density: 1130 kg/m³ (ISO 1183)
  • Water Absorption (Saturation in Water at 23°C): 9-10% (ISO 62)
  • Moisture Absorption (Equilibrium at 23°C/50% RH): 2.6-3.4% (ISO 62)
Mechanical Properties
  • Tensile Modulus (Dry/Conditioned): 3500 MPa / 1200 MPa (ISO 527-1/-2)
  • Yield Stress (Dry/Conditioned, 50 mm/min): 90 MPa / 45 MPa (ISO 527-1/-2)
  • Yield Strain (Dry/Conditioned, 50 mm/min): 4% / 20% (ISO 527-1/-2)
  • Flexural Modulus: 3000 MPa (ISO 178)
  • Nominal Strain at Break (Dry/Conditioned, 50 mm/min): 10% / >50% (ISO 527-1/-2)
  • Tensile Creep Modulus, 1000 h, Strain ≤ 0.5% at 23°C: 1100 MPa (ISO 899-1)
Impact Properties
  • Charpy Unnotched Impact Strength:
    • 23°C: 250 kJ/m² (ISO 179/1eU)
    • -30°C: 200 kJ/m² (ISO 179/1eU)
  • Charpy Notched Impact Strength:
    • 23°C: 4 kJ/m² (Dry) / 50 kJ/m² (Conditioned) (ISO 179/1eA)
    • -30°C: 3 kJ/m² (ISO 179/1eA)
  • Izod Notched Impact Strength (23°C and -30°C): 5 kJ/m² (ISO 180/A)
Thermal Properties
  • Melting Temperature: 220°C (ISO 11357-1/-3)
  • Deflection Temperature Under Load (HDT):
    • At 1.8 MPa: 65°C (ISO 75-1/-2)
    • At 0.45 MPa: 180°C (ISO 75-1/-2)
  • Max. Service Temperature (Short Cycle Operation): 180°C
  • Temperature Index (50% Tensile Strength Loss):
    • After 5000 h: 97°C (IEC 60216)
    • After 20000 h: 87°C (IEC 60216)
  • Coefficient of Linear Thermal Expansion, Longitudinal (23-55°C): 102 E-6/K (ISO 11359-1/-2)
  • Thermal Conductivity: 0.33 W/(m·K) (DIN 52612-1)
  • Specific Heat Capacity: 1700 J/(kg·K)
Electrical Properties
  • Relative Permittivity (1 MHz, Dry/Conditioned): 3.3 / 7 (IEC 62631-2-1)
  • Dissipation Factor (1 MHz, Dry/Conditioned): 300E-4 / 3000E-4 (IEC 62631-2-1)
  • Volume Resistivity (Dry/Conditioned): 1E13 Ohm·m / 1E10 Ohm·m (IEC 62631-3-1)
  • Surface Resistivity (Dry/Conditioned): 1E13 Ohm / 1E13 Ohm (IEC 62631-3-2)
  • Comparative Tracking Index (CTI, Test Liquid A): 600 (IEC 60112)
Flame Characteristics
  • Flammability (Thickness ≥ 1 mm): Passed (ISO 3795, FMVSS 302)
Processing Guide
  • Melt Temperature (Injection Moulding/Extrusion): 250-270°C
  • Mould Temperature (Injection Moulding): 40-60°C
  • Moulding Shrinkage:
    • Constrained: 0.4%
    • Parallel and Normal: 0.90% (ISO 294-4)
  • Melt Volume Rate (MVR, 275°C/5kg): 160 cm³/10 min (ISO 1133)

Features & Benefits

Fast Molding and Flowability

Ultramid® B3S offers excellent flowability and fast molding cycles, ensuring cost-efficient production of precise, thin-walled components.

Impact Strength and Durability

Engineered for impact resistance, Ultramid® B3S ensures durability in demanding applications, making it ideal for functional technical parts.

Oil and Moisture Resistance

Ultramid® B3S resists oil absorption and maintains structural stability in humid conditions, increasing reliability in challenging environments.

basf nylon pa resin 25kg package

Use & Applications

  • Thin-Walled Technical Parts: housings, fittings, and grips.
  • Automotive Components
  • Electrical Devices: connectors, clamps, and small parts.
  • Industrial Equipment: Used in structural components like brackets and fixing clamps.
    Consumer Goods
basf nylon pa resin 25kg package

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