Sabic VALOX™ FR PBT SHF3800UX
Valox FR PBT SHF3800UX Flame Retardant Grade
VALOX™ FR Resin SHF3800UX is a flame-retardant PBT/PC blend offering superior impact strength, excellent flow for complex molds, and high thermal & chemical resistance. Ideal for demanding electrical components.
Associated Documents
TDS Europe
Typical property data
Physical Properties
- Density: 1.33 g/cm³ (ISO 1183)
- Moisture Absorption (23°C, 50% RH): 0.08% (ISO 62)
- Water Absorption (23°C, saturated): 0.30% (ISO 62-1)
- Melt Volume Rate (MVR):
- 11 cm³/10 min @ 250°C/5.0 kg (ISO 1133)
- 20 cm³/10 min @ 265°C/5.0 kg (ISO 1133)
- Mold Shrinkage:
- Flow Direction: 0.80% (ISO 294)
- Cross-flow Direction: 0.95% (ISO 294)
Mechanical Properties
- Tensile Stress (yield): 50 MPa (ISO 527)
- Tensile Stress (break): 40 MPa (ISO 527)
- Tensile Modulus: 2100 MPa (ISO 527)
- Tensile Strain (yield): 4.5% (ISO 527)
- Tensile Strain (break): 35% (ISO 527)
- Flexural Stress (yield): 75 MPa (ISO 178)
- Flexural Modulus: 2100 MPa (ISO 178)
Impact Properties
-
Notched Izod Impact Strength:
- 40 kJ/m² @ 23°C (ISO 180/1A)
- 15 kJ/m² @ 0°C (ISO 180/1A)
- 15 kJ/m² @ -30°C (ISO 180/1A)
-
Unnotched Izod Impact Strength: Non-break (NB) at all tested temperatures (ISO 180/1U)
Thermal Properties
-
Vicat Softening Temperature:
- 170°C, Rate A/50 (ISO 306)
- 130°C, Rate B/50 (ISO 306)
-
Heat Deflection Temperature (HDT):
- 85°C @ 1.8 MPa (ISO 75/Af)
- 120°C @ 0.45 MPa (ISO 75/Bf)
-
Coefficient of Thermal Expansion (CTE):
- Flow Direction (23°C to 150°C): 1.13×10−41.13 \times 10^{-4} 1/°C (ISO 11359-2)
- Cross-flow Direction (23°C to 150°C): 1.46×10−41.46 \times 10^{-4} 1/°C (ISO 11359-2)
Electrical Properties
- Relative Temperature Index (RTI):
- Electrical: 140°C (UL 746B)
- Mechanical with Impact: 120°C (UL 746B)
- Mechanical without Impact: 120°C (UL 746B)
- Comparative Tracking Index (CTI): 200 V (IEC 60112)
Flame Characteristics
- UL 94 Flame Rating:
- V-0 @ 0.75 mm
- 5VA @ 2.5 mm
- UV-light and Water Resistance: F1 (UL 746C)
Injection Molding Parameters
- 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 & Safety
It achieves UL94 V-0 at 0.75mm and 5VA at 2.5mm, enabling the design of thinner, lighter, and safer components for electrical devices without compromising safety standards.
Exceptional Impact & Durability
This impact-modified resin maintains high toughness even at low temperatures, ensuring your bobbins, switches, and enclosures can withstand accidental drops and physical stress.
Excellent Flow for Complex Parts
The improved flow characteristics allow for easy filling of intricate and thin-walled molds, resulting in fewer defects, higher production yields, and greater design freedom.
Use & Application
- Bobbins and Coil Formers
- Circuit Breakers & Switches
- Electrical Enclosures & Housings
- Connectors and Sockets
- Other Critical Electrical Components