Valox FR PBT 357X Flame Retardant Grade
VALOX™ FR PBT resin 357X is an impact-modified, flame-retardant PBT/PC blend. It offers exceptional chemical resistance and top-tier flammability ratings (UL94 V-0 at 0.75mm & 5VA at 2.5mm), making it ideal for demanding electrical components.
- Character: unreinforced, impact modified flame retardant, excellent chemical resistance
Key technical data
- UL 94 V-0 @ 0.75 mm
- UL 94 5VA @ 2.5 mm
- Glow Wire Flammability Index (GWFI): 960°C @ 1.0 mm
- Tensile Strength at Yield: 50 MPa
- Flexural Modulus: 2100 MPa
- Izod Impact, Notched (23°C): 40 kJ/m²
- HDT @ 0.45 MPa: 130 °C
- HDT @ 1.82 MPa: 85 °C
- Vicat Softening Temperature (A/50): 180 °C
- Comparative Tracking Index (CTI): 200 V
- Volume Resistivity: >1E+15 Ω·cm
- Specific Gravity: 1.34
- Melt Flow Rate (250°C/5.0 kg): 10 g/10 min
Application
- Bobbins and Coil Formers
- Circuit Breakers & Switches
- Electrical Connectors & Housings
- Power Distribution Enclosures
- Sensor Housings
Features & Benefits
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Advanced Manufacturing
