Polybutylene Terephtalate (PBT) Compounds
High-quality PBT compounds
Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer. PBT is known for its excellent mechanical, thermal, and electrical properties, making it highly suitable for a wide range of industrial applications, such as telecommunications (OFC), automotive, electronics and for electrical engineering.
PBT is valued for the versatility and the ability to be tailored to meet specific application needs, making them a critical material in modern engineering and manufacturing.
Key characteristics
Mechanical properties
– High tensile strength,
– Excellent dimensional stability, maintaining shape under mechanical stress,
– Good strength – sliding friction behaviour and low abrasion,
– Good impact resistance, particularly at low temperatures.
Thermal properties
– High melting point of ~225°C and heat resistance,
– Good creep behaviour,
– No tendency to form stress cracking,
– Maintains mechanical performance in a wide temperature range, typically between -40°C to 150°C.
Chemical Resistance
– Resistant to oils, greases, solvents, and many chemicals,
– Good hydrolysis resistance when stabilized for moist environments.
Surface Properties
– Smooth finish and good gloss,
– Low friction and wear resistance.
Processability
– Excellent viscosity,
– Easy to mold and process using conventional methods such as injection molding or extrusion,
– Fast crystallization, leading to faster linespeeds and a more efficient production.
