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PBT Resin
PBT Resin
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PBT Resin

PBT Resin

SUPLASTM Polybutylene Terephthalate (PBT) is a semi-crystalline engineering thermoplastic material. Providing innovative solutions that save weight and decrease costs along with other benefits, PBT is designed to meet high standards of automative industry and are used in both exterior and interior parts. It is manufactured using state-of-the-art polycondensation technology and is rigorously tested to ensure that it meets the necessary specification and performance requirements. 

Our unfilled PBT grades have a wide range of melt viscosities. This helps to provide processing latitude in injection molding and extrusion techniques (from melt-blowing of PBT fibers to the production of rod and slab, fiber optic buffer tubes, or brake cable liners).


  • Automatic Interior & Exterior Parts
  • Switches Circuits Speakers
  • Automobile Light Components
  • Chip Sockets
  • Connectors & Sensor Housing
Excellent Material Properties of PBT
Excellent Material Properties of PBT

PBT, or polybutylene terephthalate, is a thermoplastic polyester that has excellent material properties. PBT has a combination of characteristics that make it a desirable material for many applications. Firstly, it has excellent stain resistance and machining characteristics, which allows it to be easily processed into different shapes and forms. PBT also enables efficient use of material to reduce weight and cost. Moreover, PBT has excellent UV radiation resistance and excellent heat aging behavior, which makes it a great material for outdoor applications.

In addition to these properties, PBT has excellent short-term mechanical properties such as high strength, toughness, and stiffness as well as good practical impact. It also has excellent creep resistance, dimensional stability, and low moisture absorption characteristics, which make it ideal for use in electrical and electronic components. Furthermore, PBT has excellent creep resistance over steady and elevated temperatures, which means that it can withstand prolonged exposure to high temperatures without losing its properties. All of these excellent material properties make PBT a reliable and durable material for a wide range of applications.

PBT's Application in High-Temperature and Harsh Environments
PBT's Application in High-Temperature and Harsh Environments

PBT's high heat-deflection temperatures and high-temperature index ratings make it a suitable material for use in high-temperature and harsh environments. This property helps components withstand both short-term thermal excursions and long-term heat exposure. PBT is particularly useful in automotive underhood applications, where it is exposed to high temperatures and harsh chemical environments. In such applications, PBT has excellent durability under thermal stress and/or harsh chemical environments.

PBT's high-temperature properties also make it ideal for use in electronic and electrical components, where it can withstand high temperatures without losing its properties. Furthermore, PBT's excellent material properties make it a great material for many industrial applications, such as the production of mechanical parts, electrical components, and electronic devices. In conclusion, PBT is a versatile and reliable material that has excellent material properties, which make it a suitable material for many applications, especially in high-temperature and harsh environments.

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