Polybutylene Terephthalate (PBT) Granules – High-Performance Engineering Plastic for Electrical and Industrial Applications Polybutylene terephthalate (PBT) is a high-performance thermoplastic polymer widely recognized for its exceptional electrical insulation properties, mechanical strength, and thermal stability. These PBT granules are engineered to meet stringent international standards, making them an ideal choice for demanding applications across the electronics, automotive, and industrial manufacturing sectors. Whether used in precision molding or high-volume production, this material delivers consistent quality, ease of processing, and long-term reliability under varying environmental conditions. Key Features: - Available in both High Expansion Grade (P301, P302, P303, P401, P501) and Standard Grade (E301, E302, E303, E401, E501) specifications - Uniform bead size ranging from 0.40mm to 1.60mm for optimal flow and mold filling - Extremely low levels of volatile organic compounds and moisture content to prevent defects during processing - Consistent pre-expansion density ensures predictable performance in injection molding and extrusion processes - Excellent dimensional stability and resistance to creep under load This premium-grade PBT resin combines rigidity with impact resilience, offering outstanding dielectric strength and flame retardancy—critical attributes for components exposed to high voltage or elevated temperatures. The material’s inherent chemical resistance makes it suitable for use in harsh environments, including those involving oils, solvents, and mild acids. Its uniform particle morphology enhances processability, minimizing cycle times and reducing scrap rates in automated production lines. Additionally, the controlled bead size distribution allows for precise control over surface finish and structural integrity in finished parts. Ideal for manufacturers seeking durable, lightweight alternatives to metals or traditional plastics, these PBT granules are commonly employed in the fabrication of connectors, insulators, circuit boards, housings, and internal components for consumer electronics, appliances, and industrial equipment. Their ability to withstand repeated thermal cycling without degradation makes them especially valuable in automotive applications such as sensor housings, battery enclosures, and motor parts. Users consistently report that this PBT formulation performs reliably across diverse molding techniques—including injection molding, blow molding, and extrusion—and maintains excellent physical properties even after prolonged exposure to heat or humidity. Many reviewers highlight its smooth processing behavior, minimal warpage, and compatibility with standard processing equipment, which reduces setup time and maintenance costs. Customers also appreciate the material's consistency batch-to-batch, ensuring predictable outcomes in large-scale production runs. Frequently Asked Questions: What is the recommended storage condition for PBT granules? To maintain optimal properties, store in a cool, dry environment at room temperature, away from direct sunlight and moisture sources. Use sealed containers or desiccant-packed bags to prevent hygroscopic absorption. Can PBT granules be used in high-temperature applications? Yes, certain grades of PBT can withstand continuous service temperatures up to 130°C (266°F), making them suitable for applications involving moderate heat exposure, such as under-hood automotive components or electronic enclosures. Are custom colors available for PBT granules? Custom color formulations are possible to meet specific branding or functional requirements, including opaque, translucent, or flame-retardant variants tailored to industry-specific needs.
Product Categories : PBT Resins
