Engineering Thermoplastics
Glass-Filled PBT — Polybutylene Terephthalate, Glass Fiber Reinforced
Glass-filled PBT grades offer superior stiffness, strength, and thermal performance compared to unfilled PBT. They maintain excellent electrical insulating properties and chemical resistance, making them suitable for electrical and automotive applications.
PBT-GFValoxCelanexUltradur
Manufacturers
3
Grades
2
Applications
4
Equivalents
2
Physical Properties
- Density
- 1.45-1.60 g/cm³
- Water Absorption (24h)
- 0.1-0.2 %
- Transparency
- Opaque
- Shrinkage
- 0.3-0.6 %
Mechanical Properties
- Young's Modulus
- 8-12 GPa
- Tensile Strength
- 70-100 MPa
- Elongation at Break
- 4-10 %
- Impact Strength (Izod)
- 6-12 kJ/m
Thermal Properties
- Glass Transition Temperature
- 20-50 °C
- Melting Point
- 220-230 °C
- Continuous Service Temperature
- 100-130 °C
- Heat Deflection Temperature
- 150-200 °C (1.8 MPa)
Electrical Properties
- Dielectric Constant
- 3.0-3.5
- Volume Resistivity
- 10^12-10^14 Ohm-cm
- Dielectric Strength
- 20-28 kV/mm
Chemical Resistance
- Acids
- Good
- Bases
- Fair
- Solvents
- Excellent
- UV Resistance
- Fair
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 7 (Other)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Injection Molding
Applications
Automotive connectors
Electrical housings
Under-hood components
Appliance parts
Available grades
PBT GF30PBT GF40