VALOX™ FR PBT 4631

By /
SABIC® PC Resin

Valox FR PBT 4631 Flame Retardant Grade

VALOX™ FR Resin 4631 is a 30% glass-filled, flame-retardant PBT engineered for injection molding. It delivers superior mechanical strength, excellent electrical properties, and a critical UL94 V-0 flame rating for safe, reliable components.

  • Character: 30% glass filled, flame retardant
contact us
Drag & Drop Files, Choose Files to Upload You can upload up to 10 files.
* We prioritize your privacy and ensure information security.

Key technical data

  • Tensile Strength (Yield): 130 MPa
  • Flexural Strength: 200 MPa
  • Flexural Modulus: 9000 – 9600 MPa
  • Izod Impact, Notched (23°C): 80 J/m (ASTM)
  • HDT @ 1.82 MPa: 205 °C
  • Vicat Softening Temp (Rate B/50): 205 °C
  • Relative Temp Index (Electrical): 130 °C
  • Glow Wire Flammability Index (GWFI): 960 °C
  • Flame Rating: UL 94 V-0 @ 0.75 mm
  • Comparative Tracking Index (CTI): 250 V
  • Volume Resistivity: >1.E+15 Ω·cm
  • Filler Content: 30% Glass Fiber
  • Specific Gravity: 1.67
  • Mold Shrinkage (Flow): 0.1 – 0.3%
  • Melt Temperature: 250 – 270 °C
  • Drying Temperature: 110 – 120 °C

Download

VALOX™ FR 4631 Europe TDSDownload

Application

  • Electrical Components: Circuit breakers, switches, and relay housings.
  • Automotive Systems: Sensors, motor end caps, and under-hood connectors.
  • Industrial Equipment: Power tool housings, control system housings, and coil bobbins.
  • Consumer Appliances: Connectors and internal components in printers, smart meters, and power supplies.

Features & Benefits

Superior Flame Retardancy & Safety

This grade achieves a UL94 V-0 rating at 0.75mm, ensuring your components meet strict safety standards and resist ignition, which is vital for electrical enclosures and connectors.

High Strength & Thermal Stability

With 30% glass reinforcement, it offers high tensile strength and can withstand continuous high temperatures, ensuring long-term performance and durability in demanding environments.

Excellent Electrical Insulation Properties

Its high volume resistivity and comparative tracking index (CTI) make it an outstanding electrical insulator, preventing current leakage and short circuits in high-voltage applications.

30% glass filled VALOX FR PBT resin

Related Valox™ FR PBT Products

Advanced Manufacturing

Extruder machine
High-speed mixer machine
Water ring pelletizer
Automatic bagging machine
Vibrating screening machine
Plastic rein material warehouse storage capacity
Scroll to Top