Sabic VALOX™ FR PBT V3504

sabic valox fr pbt

Valox FR PBT V3504 Flame Retardant Grade

VALOX™ FR resin V3504 is a flame-retardant PBT grade offering superior thin-wall protection (UL94 V-0 @ 0.38mm) and excellent chemical resistance. It is the ideal material for high-safety electrical components.

Associated Documents

TDS Asia

Typical property data

Physical Properties
  • Specific Gravity: 1.4 (ASTM D792)
  • Melt Flow Rate (MFR): 11 g/10 min at 250°C/2.16 kgf (ASTM D1238)
  • Melt Volume Rate (MVR): 8 cm³/10 min at 250°C/2.16 kg (ISO 1133)
Mechanical Properties
  • Tensile Stress, Yield: 58 MPa (ISO 527)
  • Tensile Strain, Break: 8% (ISO 527)
  • Flexural Stress, Yield: 88 MPa (ISO 178)
  • Flexural Modulus: 2600 MPa (ISO 178)
Impact Properties
  • Izod Impact, Notched, 23°C: 52 J/m (ASTM D256)
  • Charpy Impact Strength, V-Notch at 23°C: 4 kJ/m² (ISO 179/1eA)
Thermal Properties
  • Heat Deflection Temperature (HDT) at 1.82 MPa: 106°C (ASTM D648)
  • Relative Thermal Index (RTI), Electrical: 120°C (UL 746B)
  • Relative Thermal Index (RTI), Mechanical with Impact: 120°C (UL 746B)
  • Relative Thermal Index (RTI), Mechanical without Impact: 140°C (UL 746B)
Electrical Properties
  • Volume Resistivity: 1×10151 \times 10^{15} Ω·cm (IEC 60093)
  • Comparative Tracking Index (CTI): 3 (PLC Code, UL 746A)
  • Arc Resistance (Tungsten): 6 (PLC Code, ASTM D495)
Flame Characteristics
  • UL 94V-0 Flame Class Rating: 0.38 mm (UL 94)
  • UL 94-5VA Flame Class Rating: 3 mm (UL 94)
  • Glow Wire Flammability Index: 960°C, passes at 0.38 mm (IEC 60695-2-12)
  • Glow Wire Ignitability Temperature: 825°C at 0.4 mm and 1.0 mm (IEC 60695-2-13)
Injection Molding
  • Drying Temperature: 120°C
  • Drying Time: 3–4 hours (Cumulative: 12 hours)
  • Maximum Moisture Content: 0.02%
  • Melt Temperature: 245–260°C
  • Nozzle Temperature: 240–255°C
  • Mold Temperature: 50–75°C
  • Back Pressure: 0.3–0.7 MPa
  • Screw Speed: 50–100 rpm
  • Vent Depth: 0.013–0.025 mm

Features & Benefits

Superior Thin-Wall Flame Retardancy

VALOX V3504 achieves a UL94 V-0 rating at just 0.38mm, allowing for lighter, thinner, and more compact designs in electrical components without compromising on safety.

Excellent Mechanical Strength

This resin provides a robust balance of tensile and flexural strength, ensuring your components like bobbins and switches are durable and can withstand physical stress during assembly and use.

Enhanced Thermal & Electrical Safety

With a high Comparative Tracking Index and Heat Deflection Temperature, Valox V3504 ensures stable performance in high-temperature, high-voltage environments. This reduces the risk of electrical failure, even in demanding applications.

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Use & Application

  • Bobbins & Coil Formers
  • Keyboard Switches
  • Circuit Breakers & Switches
  • Appliance Housings
  • Connectors and Sockets
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