Plastic Granules
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}1×1015 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.
Use & Application
- Bobbins & Coil Formers
- Keyboard Switches
- Circuit Breakers & Switches
- Appliance Housings
- Connectors and Sockets