Valox FR PBT 357 Flame Retardant Grade
Valox FR PBT 357 is a flame-retardant, impact-modified PBT/PC blend. It offers superior chemical resistance and top-tier safety certifications (UL94 V-0 @ 0.63mm & 5VA @ 3.0mm), making it ideal for demanding electrical components.
- Character: unreinforced, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT/PC) injection moldable grade.
Key technical data
- Tensile Strength at Break: 45 MPa
- Flexural Modulus: 2060 MPa
- Notched Izod Impact (23°C): 534 J/m
- Hardness (Rockwell R): 117
- HDT @ 1.82 MPa: 99 °C
- Vicat Softening Temperature (B/50): 134 °C
- Relative Temperature Index (Elec/Mech w Impact): 120 °C
- Volume Resistivity: >1.2E+16 Ω·cm
- Dielectric Strength: 18.5 kV/mm
- Comparative Tracking Index (CTI): PLC 2
- UL 94 Rating: V-0 @ 0.63 mm | 5VA @ 3.0 mm
- Oxygen Index (LOI): 30%
- Specific Gravity: 1.34
- Melt Temperature: 250 – 265 °C
- Mold Temperature: 50 – 75 °C
- Drying Time: 3-4 hours @ 120°C
Application
- Bobbins & Coil Formers
- Circuit Breakers & Switches
- Electrical Connectors & Enclosures
- Sensor Housings & Motor Components
Features & Benefits
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Advanced Manufacturing
