Engineering Thermoplastics
PBT Mineral Filled — Polybutylene Terephthalate, Mineral Filled
Mineral-filled PBT grades offer improved stiffness, higher heat distortion temperatures, and significantly reduced warpage and shrinkage compared to unfilled PBT. They provide good dimensional stability in humid environments.
PBTValoxCelanex
Manufacturers
3
Grades
2
Applications
4
Equivalents
1
Physical Properties
- Density
- 1.45-1.60 g/cm³
- Water Absorption (24h)
- 0.1-0.2 %
- Transparency
- Opaque
- Shrinkage
- 0.1-0.3 %
Mechanical Properties
- Young's Modulus
- 4.0-6.0 GPa
- Tensile Strength
- 60-75 MPa
- Elongation at Break
- 3-8 %
- Impact Strength (Izod)
- 5-8 kJ/m
Thermal Properties
- Glass Transition Temperature
- 20-50 °C
- Melting Point
- 220-230 °C
- Continuous Service Temperature
- 100-130 °C
- Heat Deflection Temperature
- 100-150 °C (1.8 MPa)
Electrical Properties
- Dielectric Constant
- 3.0-3.5
- Volume Resistivity
- 10^12-10^14 Ohm-cm
- Dielectric Strength
- 18-25 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
Electrical housings
Automotive components
Appliance parts
Housings requiring tight tolerances
Available grades
PBT MF20PBT MF30