VALOX™ FR PBT 357U

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SABIC® PC Resin

Valox FR PBT 357U Flame Retardant Grade

Valox FR PBT 357U is a flame-retardant, impact-modified thermoplastic. It offers superior chemical resistance and achieves a UL94 V-0 rating at just 0.64mm, making it an ideal, safe choice for demanding electrical components.

  • Character: unreinforced, UV stabilized, impact modified flame retardant
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Key technical data

  • Flame Rating: UL 94 V-0 @ 0.64 mm | 5VA @ 3.0 mm
  • Heat Resistance: HDT @ 1.82 MPa: 98°C
  • Tensile Strength (Yield): 48 MPa
  • Flexural Modulus: 2060 MPa
  • Notched Izod Impact: 534 J/m
  • Volume Resistivity: >1.2E+16 Ω·cm
  • Dielectric Strength: 18.5 kV/mm
  • Specific Gravity: 1.34
  • Water Absorption: 0.08% (24hrs)
  • Melt Temperature: 250 – 265 °C
  • Mold Temperature: 50 – 75 °C
  • Drying: 3-4 hours at 120°C

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Application

  • Bobbins and Coil Formers
  • Circuit Breakers and Switches
  • Electrical Connectors and Enclosures
  • Other Critical Electrical Insulation Components

Features & Benefits

Superior Flame Retardancy & Safety

This FR PBT resin 357U achieves a critical UL94 V-0 rating at a thin 0.64mm, allowing for the design of safer, thinner-walled components without compromising fire safety standards in electrical devices.

Exceptional Durability & Impact Resistance

The impact-modified formula of Valox PBT 357U provides high toughness, preventing cracks from sudden shocks or drops during assembly and use, which extends the product’s lifespan and reduces failure rates.

Reliable Electrical Insulation Properties

With high dielectric strength and volume resistivity, this material acts as an excellent insulator, ensuring the safe and consistent performance of components like bobbins and switches, even in high-voltage scenarios.

VALOX™ FR PBT resin natual color

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