PBT: The Ultimate Guide for Buyers in 2025


PBT (Polybutylene Terephthalate) is a high-performance thermoplastic widely used in industries like automotive, electronics, and consumer goods. Its durability, heat resistance, and electrical insulation make it a preferred choice for manufacturers. This guide covers everything from sourcing to applications.


How to Find Reliable PBT from China in 2025


China remains a top supplier of PBT due to competitive pricing and advanced manufacturing. To find reliable suppliers:

  • Check certifications like ISO 9001 and RoHS compliance.
  • Review supplier history and customer feedback on platforms like Alibaba.
  • Request samples to test material quality before bulk orders.

What Buyers Should Know Before Buying PBT from China


Before purchasing PBT, consider:

  • Lead times and shipping costs.
  • Minimum order quantities (MOQs).
  • Customization options for color, additives, or reinforcement.

Types of PBT


PBT comes in several forms:

  • Unfilled PBT: Basic form with high flexibility.
  • Glass-Filled PBT: Enhanced strength and rigidity.
  • Flame-Retardant PBT: Ideal for electrical components.

Functions and Features of PBT


Key features include:

  • High heat resistance (up to 150°C).
  • Excellent electrical insulation.
  • Chemical and moisture resistance.

Scenarios of PBT


PBT is used in:

  • Automotive parts (connectors, sensors).
  • Electronics (switches, housings).
  • Consumer goods (appliance components).

How to Choose PBT


Select the right PBT by:

  • Identifying application requirements (heat, stress, environment).
  • Comparing material grades and additives.
  • Consulting suppliers for technical support.

PBT Q & A


Q: Is PBT recyclable?
A: Yes, but specialized processes are required due to its durability.


Q: How does PBT compare to PET?
A: PBT offers better moisture resistance and faster processing.


Q: What’s the average price range for PBT?
A: Prices vary by type, but expect $2.50-$5.00 per kg in bulk.


Q: Can PBT be used outdoors?
A: Yes, with UV stabilizers to prevent degradation.


Q: How long does PBT last?
A: Over 10 years under normal conditions.