Sabic VALOX™ FR PBT 4512
Plastic Granules
Valox FR PBT 4512 Flame Retardant Grade
VALOX™ FR Resin 4512 is a flame-retardant, 10% glass-filled PBT/PC blend. It delivers an exceptional balance of high flow for easy processing, excellent mechanical strength, and thermal stability, making it a reliable, high-performance engineering plastic.
Associated Documents
TDS Europe
Typical property data
Physical Properties
- Specific Gravity: 1.42 (ASTM D792, ISO 1183)
- Filler Content: 10% (ASTM D229)
- Mold Shrinkage:
- Flow: 0.6–0.9% (SABIC Method)
- Cross-flow: 0.7–1% (SABIC Method)
- Water Absorption (23°C, saturated): 0.2% (ISO 62-1)
- Moisture Absorption (23°C, 50% RH): 0.07% (ISO 62)
- Melt Flow Rate (266°C/5.0 kg): 60 g/10 min (ASTM D1238)
- Melt Volume Rate (MVR):
- 250°C/2.16 kg: 8 cm³/10 min (ISO 1133)
- 250°C/5.0 kg: 30 cm³/10 min (ISO 1133)
- 265°C/5.0 kg: 45 cm³/10 min (ISO 1133)
Mechanical Properties
- Tensile Strength (Yield): 70 MPa (ISO 527, ASTM D638)
- Tensile Modulus:
- 4600 MPa (ISO 527)
- 4400 MPa (ASTM D638)
- Flexural Stress (Yield): 100 MPa (ISO 178, ASTM D790)
- Flexural Modulus:
- 3500 MPa (ISO 178)
- 3400 MPa (ASTM D790)
- Ball Indentation Hardness: 114 MPa (ISO 2039-1)
- Hardness (Rockwell): R104 (ISO 2039-2)
Impact Properties
- Izod Impact Strength, unnotched (23°C):
- 430 J/m (ASTM D4812)
- 35 kJ/m² (ISO 180/1U)
- Izod Impact Strength, notched (23°C):
- 35 J/m (ASTM D256)
- 4 kJ/m² (ISO 180/1A)
Thermal Properties
- Vicat Softening Temperature:
- Rate A/50: 210°C (ISO 306, ASTM D1525)
- Rate B/50: 135°C (ISO 306, ASTM D1525)
- Heat Deflection Temperature (HDT):
- 0.45 MPa: 170°C (ISO 75/Be)
- 1.8 MPa: 95°C (ISO 75/Ae)
- Coefficient of Thermal Expansion (CTE):
- Flow (-40°C to 40°C): 4.91E-05 1/°C (ISO 11359-2)
- X-flow (-40°C to 40°C): 9.42E-05 1/°C (ISO 11359-2)
Electrical Properties
- Volume Resistivity: >1.E+15 Ω·cm (IEC 60093, ASTM D257)
- Dielectric Strength:
- 1.6 mm: 20 kV/mm (IEC 60243-1)
- 3.2 mm: 15 kV/mm (IEC 60243-1)
- Relative Permittivity (1 MHz): 3.3 (IEC 60250)
- Comparative Tracking Index (CTI): 175 V (IEC 60112)
Flame Characteristics
- UL Flame Class Rating: UL 94 V-0 @ 0.75 mm
- Glow Wire Flammability Index: Passes at 960°C and 1.6 mm (IEC 60695-2-12)
Injection Molding
- Drying Temperature: 110–120°C
- Drying Time: 2–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 250–270°C
- Mold Temperature: 40–100°C
Features & Benefits
Superior Flame Retardancy
This material achieves a UL 94 V-0 rating, ensuring critical fire safety compliance for electronic components, enhancing product safety and reliability.
Strong & Rigid
With high tensile and flexural strength, VALOX 4512 provides outstanding structural integrity and durability for thin-walled and complex parts.
High Heat Resistance
Featuring a high Heat Deflection Temperature, it maintains performance and dimensional stability in high-temperature environments.
Use & Application
- Electrical Connectors: Circuit breakers, terminal blocks, and industrial connectors.
- Automotive Components: Sensor housings, engine control units, and switches.
- Consumer Appliances: Housings for power tools, small kitchen appliances, and electrical interfaces.
- Industrial Parts: Pump components, motor end caps, and protective housings.