Flame-retardant FR PBT gf 20 resins

Flame-Retardant PBT Engineering Plastic: High-Performance Material for Electrical, Automotive & Industrial Applications

Engineered for demanding environments, this flame-retardant polybutylene terephthalate (PBT) offers exceptional thermal stability, mechanical robustness, and electrical insulation—making it a top choice across global industries. Ideal for precision components in electronics, automotive systems, and industrial equipment, this material delivers consistent performance under high stress, temperature fluctuations, and chemical exposure. Its balanced formulation ensures long-term reliability without compromising manufacturability or surface aesthetics.

Key Features:

• Excellent Flame Retardancy (UL94 V-0 at 1.6mm)

• high mechanical strength & Stiffness (Modulus > 3 GPa)

• Good Dimensional Stability (Low Warpage, High Tg)

• heat resistance up to 150°C Continuous Use

• Superior Electrical Insulation Properties (Dielectric Strength > 20 kV/mm)

• Chemical Resistance to Oils, Coolants, and Common Solvents

• Easy Processing via Injection Molding with Consistent Surface Finish

This advanced thermoplastic combines the durability of glass-filled composites with enhanced fire safety standards, ensuring compliance with international regulations such as UL94, RoHS, and REACH. With a typical heat deflection temperature (HDT) above 180°C, it excels in applications where thermal endurance is critical. The material’s low moisture absorption and resistance to creep make it ideal for structural parts that must maintain integrity over time—even in humid or fluctuating conditions.

Manufactured using state-of-the-art compounding techniques, this PBT resin exhibits excellent flow characteristics during molding, allowing for complex geometries while minimizing sink marks and warpage. It supports both standard and reinforced grades—such as GF20 (glass fiber 20%)—for tailored stiffness, dimensional accuracy, and wear resistance. Additionally, custom modifications are available for specific needs, including PA6, PA66, PET, and PPS-based formulations for specialized performance requirements.

Primary Application Areas:

In the electrical and electronics sector, this material serves as the backbone for connectors, sockets, circuit breakers, relays, motor housings, coil formers, power supply enclosures, and sensor casings—where flame retardance, dielectric strength, and mechanical resilience are non-negotiable. In the automotive industry, it's used in fuse boxes, relay modules, engine compartment sensors, ignition system components like distributor housings, throttle bodies, transmission control units, and lighting reflectors—all requiring materials that withstand extreme temperatures and aggressive fluids. For industrial automation, it supports durable housing for control panels, switchgear, and actuator assemblies exposed to harsh operating conditions.

Users consistently praise its balance of toughness, processability, and cost-efficiency compared to alternatives like polycarbonate or nylon. Many report reduced scrap rates due to improved mold flow and fewer post-processing defects, especially when compared to unfilled engineering plastics. The smooth finish also enhances aesthetic appeal in visible components, making it suitable for consumer-facing products as well as industrial hardware.

Frequently Asked Questions:

Is this material suitable for outdoor use? Yes, with proper UV stabilization, it performs reliably in outdoor environments, particularly in automotive and industrial enclosures.

Can it be recycled or reused? While not inherently biodegradable, PBT can be reprocessed multiple times if contamination is controlled, supporting circular economy practices in manufacturing.

What makes it better than standard PBT? This version includes flame-retardant additives (typically brominated or phosphorus-based) and often features glass reinforcement, significantly boosting thermal, mechanical, and fire safety performance.

Does it meet global regulatory standards? Yes, it complies with major international safety norms including UL94 V-0, RoHS, and REACH, enabling use in regulated markets worldwide.

For engineers seeking a versatile, high-performance polymer that balances cost, safety, and functionality, this flame-retardant PBT represents a future-ready solution across diverse sectors—from smart devices to heavy-duty vehicle systems.

Product Categories : PBT Resins