PBT Engineered Matrix • 15% Glass Fibre
PBT GF15
Glass Reinforced PBT — PBT GF15
PBT GF15 is a 15% glass-fibre-reinforced polybutylene terephthalate compound combining high stiffness, dimensional precision, low moisture absorption, and excellent electrical insulation for automotive and electronic components.
Base Polymer
PBT
Reinforcement
Glass Fibre
Reinforcement %
15%
Moulding Process
Injection Moulding
Available Formulation Colours
NaturalBlack

COMPOUND PROFILE • PBT GF15
Grade Specification Overview
POLIMATRIX PBT GF15
Glass Reinforced PBT — PBT GF15
Glass fibre
15% wt%
Processing
Injection moulding
MFI
22 g/10 min
Heat / impact
HDT 195°C
Recommended for: Electrical connectors components, subject to dimensional, mechanical and processing validation.
Performance Profile
Qualitative Indicators — Typical values on TDSRelative engineering performance ratings across key mechanical and thermal dimensions.
Tensile Stiffness
Excellent
Tensile Strength
Excellent
Impact Resistance
Good
Heat Resistance (HDT)
Excellent
Dimensional Stability
Excellent
Processability
Excellent
Surface Finish
High
Key Formulation Characteristics
15% glass fibre loading
High continuous heat resistance
Excellent dimensional stability & low water absorption
High mechanical strength & electrical insulation
Reinforcement: 15% Glass Fibre
Formulated for Injection Moulding
Typical Properties & ASTM Standards
Verified typical values for PBT GF15 as published on technical data sheet.
| Mechanical / Physical Property | Test Standard | Typical Value | Unit |
|---|---|---|---|
| Melt Flow Index (MFI / MFR) | ASTM D1238 | 22 | g/10 min |
| Specific Gravity / Density | ASTM D792 | 1.50 | g/cm³ |
| Tensile Strength | ASTM D638 | 96 | MPa |
| Flexural Modulus | ASTM D790 | 5,800 | MPa |
| Izod Impact Strength (Notched) | ASTM D256 | 6.0 | kg·cm/cm |
| Heat Deflection Temperature (HDT / VSP) | ASTM D648 | 195 | °C |
| Flammability Rating | UL 94 | HB | Rating |
* Typical values, not specification limits. Values are for material selection purposes only.
Target Applications
Proven Electrical & Electronics components and commercial end-use parts moulded with PBT GF15:
Alternative & Sister Grades
Explore related PBT alloys or alternative reinforcement percentages:
Technical Assistance
Need Custom Formulation or Testing?
Our application development engineers can tailor filler content, melt flow index, UV stabilization, or masterbatch color matching to your specific molding window.
Consult Polymer Specialist