Sabic VALOX™ FR PBT V4860HR
Plastic Granules
Valox FR PBT V4860HR Flame Retardant Grade
VALOX™ FR resin V4860HR is a 30% glass-filled, flame-retardant PBT. It offers superior hydrolytic stability, excellent chemical resistance, and a UL94 V-0 rating for demanding electrical and electronic components.
Typical property data
Physical Properties
- Specific Gravity: 1.64 (ASTM D792)
- Density: 1.64 g/cm³ (ISO 1183)
- Mold Shrinkage (flow, 3.2 mm): 0.18 – 0.21% (SABIC Method)
- Mold Shrinkage (xflow, 3.2 mm): 0.75 – 0.94% (SABIC Method)
- Melt Flow Rate (250°C/5.0 kgf): 17.8 g/10 min (ASTM D1238)
- Melt Volume Rate, MVR (250°C/5.0 kg): 12 cm³/10 min (ISO 1133)
- Water Absorption (23°C, saturated): 0.19% (ISO 62-1)
- Moisture Absorption (23°C, 50% RH): 0.06% (ISO 62)
Mechanical Properties
- Tensile Stress (yield, 5 mm/min): 111 MPa (ISO 527)
- Tensile Stress (break, 5 mm/min): 110 MPa (ISO 527)
- Tensile Modulus (1 mm/min): 9440 MPa (ISO 527)
- Tensile Strain (yield, 5 mm/min): 2.1% (ISO 527)
- Tensile Strain (break, 5 mm/min): 2.1% (ISO 527)
- Flexural Stress (yield, 2 mm/min): 183 MPa (ISO 178)
- Flexural Stress (break, 2 mm/min): 182 MPa (ISO 178)
- Flexural Modulus (2 mm/min): 7870 MPa (ISO 178)
- Flexural Strain (break, 2 mm/min): 2.9% (ISO 178)
Impact Properties
- Izod Impact (notched, 23°C): 10 kJ/m² (ISO 180/1A)
- Izod Impact (notched, -30°C): 8 kJ/m² (ISO 180/1A)
- Charpy Impact (23°C, V-notch, Edgew): 10 kJ/m² (ISO 179/1eA)
Thermal Properties
- Heat Deflection Temperature (HDT, 1.82 MPa, 3.2 mm, unannealed): 197°C (ASTM D648)
- Heat Deflection Temperature (HDT, 0.45 MPa, 6.4 mm, unannealed): 221°C (ASTM D648)
- Heat Deflection Temperature (HDT, 1.82 MPa, 6.4 mm, unannealed): 205°C (ASTM D648)
- Vicat Softening Temperature (Rate B/50): 176°C (ISO 306)
- Vicat Softening Temperature (Rate B/120): 175°C (ISO 306)
- Coefficient of Thermal Expansion (CTE, flow, -40°C to 95°C): 2.35 × 10⁻⁵ 1/°C (ASTM E831)
- Coefficient of Thermal Expansion (CTE, xflow, -40°C to 95°C): 1.14 × 10⁻⁴ 1/°C (ASTM E831)
- Ball Pressure Test (approx. max temperature): 125°C (IEC 60695-10-2)
Flame Characteristics
UL Flammability Rating: UL 94V-0 at 0.8 mm (UL 94 by SABIC-IP)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3 – 4 hours (Cumulative max: 12 hours)
- Maximum Moisture Content: 0.02%
- Melt Temperature: 230 – 260°C
- Nozzle Temperature: 240 – 260°C
- Zone 3 Temperature (Front): 240 – 260°C
- Zone 2 Temperature (Middle): 230 – 250°C
- Zone 1 Temperature (Rear): 220 – 240°C
- Mold Temperature: 60 – 120°C
- Back Pressure: 0.3 – 0.7 MPa
- Screw Speed: 20 – 100 rpm
- Shot to Cylinder Size: 30 – 70%
- Vent Depth: 0.025 – 0.038 mm
Features & Benefits
Superior Hydrolytic Stability
VALOX V4860HR resists water and moisture, ensuring long-term performance and reliability in humid environments, which prevents property degradation and part failure.
Exceptional Flame Retardancy
This material achieves a UL94 V-0 flame rating at 0.8mm, providing critical safety for electrical applications and helping your products meet stringent international safety standards.
High Strength & Rigidity
With 30% glass fiber reinforcement, it delivers excellent mechanical strength and stiffness, ensuring dimensional stability and durability for structurally demanding parts.
Use & Application
- Electrical Connectors & Sockets
- Circuit Breakers & Switches
- Automotive Sensor Housings
- Power Tool Components
- Industrial Control System Parts