PBT GF50 Technical Data (Estimated Typical Values)
| Property | Value | Test Standard |
|---|---|---|
| Glass Fiber Content | 50% | ISO 1172 |
| Tensile Strength | 150 – 170 MPa | ISO 527 |
| Flexural Modulus | 13,000 – 16,000 MPa | ISO 178 |
| Notched Impact Strength | 6 – 8 kJ/m² | ISO 180 |
| HDT @1.8 MPa | 220 – 230 °C | ISO 75 |
| Comparative Tracking Index (CTI) | 500 V | IEC 60112 |
PBT GF Series Performance Comparison Table (Estimated Typical Values)
| Property | PBT GF10 | PBT GF15 | PBT GF20 | PBT GF30 | PBT GF40 | PBT GF50 |
|---|---|---|---|---|---|---|
| Glass Fiber Content | 10% | 15% | 20% | 30% | 40% | 50% |
| Tensile Strength | 70 – 85 MPa | 85 – 100 MPa | 100 – 120 MPa | 120 – 140 MPa | 135 – 155 MPa | 150 – 170 MPa |
| Flexural Modulus | 5,000 – 6,500 MPa | 6,500 – 7,800 MPa | 7,500 – 9,000 MPa | 9,000 – 11,000 MPa | 11,000 – 13,000 MPa | 13,000 – 16,000 MPa |
| Notched Impact Strength | 5 – 7 kJ/m² | 5.5 – 7.5 kJ/m² | 6 – 8 kJ/m² | 7 – 9 kJ/m² | 6.5 – 8.5 kJ/m² | 6 – 8 kJ/m² |
| HDT @1.8 MPa | 180 – 195 °C | 190 – 205 °C | 200 – 210 °C | 210 – 220 °C | 215 – 225 °C | 220 – 230 °C |
| CTI (Comparative Tracking Index) | 600 V | 600 V | 575 V | 550 V | 525 V | 500 V |
| Key Profile | Cost-effective stiffness & fast cycles | Balanced entry-level for technical parts | Precision & excellent surface finish | Best balance of strength, heat & electricals | High rigidity for demanding structural parts | Maximum stiffness for metal replacement |
PBT GF50 Key Advantages
✅ Pinnacle of Stiffness & Strength: Represents the highest achievable mechanical properties in the PBT GF series, providing near-metallic rigidity and tensile strength for the most demanding structural challenges.
✅ Ultimate Thermal Performance & Stability: Delivers the highest heat deflection temperature and superior resistance to heat aging, ensuring performance integrity at the upper limits of the material‘s operating window.
✅ Engineered for Metal Replacement: Offers an exceptional strength-to-weight ratio, making it a prime candidate for replacing metals in applications where weight reduction, corrosion resistance, and complex geometry are key drivers.
Industry Applications:
Explore the PBT Glass Fiber Series in Detail
Click on the links below to view comprehensive technical data, key advantages, and application details for each specific grade.
| Grade | Best For | Overview | Full Details |
|---|---|---|---|
| PBT GF10 | Cost-effective enhancement of stiffness, dimensional stability & speed in electrical components. | The most accessible GF grade, offering faster cycle times, improved rigidity, and excellent electrical insulation over unfilled PBT. | View PBT GF10 Full Data Sheet → |
| PBT GF20 | High-precision structural parts demanding stability, smooth surface finish & good electrical properties. | A balanced performer, excelling in dimensional accuracy, surface quality, and a robust property profile for technical components. | View PBT GF20 Full Data Sheet → |
| PBT GF30 | High-strength components under thermal & mechanical stress with stringent electrical requirements. | The industry benchmark, providing an optimal balance of high mechanical strength, thermal resistance, and unwavering dielectric properties. | View PBT GF30 Full Data Sheet → |
| PBT GF40 | Ultra-stiff, high-load applications where minimal creep and maximum dimensional stability are critical. | Engineered for maximum rigidity and long-term dimensional stability under continuous load, even in elevated temperatures. | View PBT GF40 Full Data Sheet → |
| PBT GF50 | Maximum mechanical performance for metal replacement in demanding electrical/structural applications. | The pinnacle grade, delivering peak strength, stiffness, and heat resistance for the most demanding technical applications. | View PBT GF50 Full Data Sheet → |
Powering Innovation Across Industries
| Industry | Key Applications |
|---|---|
| Automotive | Engine covers, intake manifolds, structural brackets, sensor housings, connectors. Explore Automotive Applications → |
| Electrical & Electronics | Circuit breakers, switches, connector housings, insulating components. Discover E&E Solutions → |
| Industrial Equipment | Gears, bearings, machine housings, rollers, mechanical components. See Industrial Uses → |
How to Choose the Right PBT GF Grade?
In simple terms:
For a cost-effective enhancement of stiffness, dimensional stability, and faster cycle times in electrical housings, connectors, or basic structural parts, consider PBT GF10.
For the optimal balance of strength, precision, surface finish, and excellent electrical properties in demanding technical components like gears, automotive sensors, or high-quality connectors, choose PBT GF30. It is the performance benchmark for most structural electrical applications.
For the ultimate stiffness, strength, and long-term dimensional stability under high continuous load and heat in metal replacement or high-load structural applications, consider PBT GF50.
Unsure which is perfect for your part? Describe your application to our engineers for a tailored recommendation: https://nylonplastic.com/contact/
Why Choose Us?
PBT GF50 FAQ
Q1: What makes PBT GF50 the ‘premium‘ choice?
PBT GF50 is the premium choice because it delivers the absolute maximum stiffness, tensile strength, and heat resistance achievable with glass fiber reinforcement in a PBT matrix. It is specified for applications where these properties are the primary design drivers and where material cost is secondary to performance.
Q2: Can PBT GF50 replace die-cast zinc or aluminum in structural parts?
Yes, in many cases. PBT GF50 offers a favorable strength-to-weight ratio, does not corrode, and can be molded into complex shapes in a single step. It is an excellent candidate for replacing metals in housings, brackets, and levers, especially when weight savings, part consolidation, or electrical insulation are additional benefits.
Q3: What are the key processing challenges with PBT GF50?
Processing PBT GF50 requires expertise to manage its high viscosity and abrasiveness: Flow: Requires robust injection pressure and properly designed feed systems. Wear: Mandates the use of hardened or specialty tooling steels. Drying: Critical and must be thorough to prevent hydrolysis, which can severely degrade mechanical properties. Partnering with an experienced material supplier is highly advised.
