Sabic VALOX™ FR PBT 3706
Plastic Granules
Valox FR PBT 3706 Flame Retardant Grade
VALOX™ FR resin 3706 is an impact-modified, flame-retardant PBT/PC blend. It offers excellent chemical resistance and top-tier UL94 V-0 (1.5mm) & 5VA (2.49mm) ratings. It is suitable to outdoor electrical enclosures.
Associated Documents
TDS Americas
Typical property data
Physical Properties
- Density: 1.57 g/cm³ (ISO 1183)
- Water Absorption (23°C, 24 h): 0.07% (ISO 62)
Mechanical Properties
- Tensile Strength: 69 MPa (ISO 527)
- Tensile Modulus: 3500 MPa (ISO 527)
- Flexural Strength: 103 MPa (ISO 178)
- Flexural Modulus: 3100 MPa (ISO 178)
- Elongation at Break: 2% (ISO 527)
Impact Properties
- Charpy Notched Impact Strength (23°C): 7 kJ/m² (ISO 179/1eA)
- Charpy Notched Impact Strength (-30°C): 5 kJ/m² (ISO 179/1eA)
Thermal Properties
- Heat Deflection Temperature (HDT, 1.8 MPa): 170°C (ISO 75-2/B)
Electrical Properties
- Comparative Tracking Index (CTI): 175 V (IEC 60112)
- Dielectric Strength: 20 kV/mm (IEC 60243-1)
- Volume Resistivity: 1.0E+14 Ohm·cm (IEC 60093)
Flame Characteristics
- Flammability Rating: UL94 V-0 (0.8 mm thickness)
- Glow Wire Ignition Temperature (GWIT): 775°C (IEC 60695-2-13)
- Glow Wire Flammability Index (GWFI): 960°C (IEC 60695-2-12)
Injection Molding
- Melt Temperature: 240–270°C
- Mold Temperature: 80–100°C
- Drying Temperature: 110°C (4–6 hours recommended)
- Processing Shrinkage: 0.8–1.2%
Features & Benefits
Superior Flame Retardant Safety
This grade achieves UL94 V-0 at a thin 1.5mm, allowing for lighter, more compact part designs without compromising critical fire safety standards in electrical components.
Exceptional Impact & Toughness
With high notched Izod impact strength, VALOX 3706 withstands physical knocks, drops, and installation stresses, reducing breakage and ensuring product longevity in tough environments.
Reliable Performance Outdoors
It resists chemicals, moisture, and heat, maintaining its properties and structural integrity over time, which is perfect for outdoor enclosures exposed to the elements.
Use & Application
- Electrical and Utility Equipment
- Telecommunications Housings
- Industrial Control Boxes