Modified PBT: Key Considerations for Buyers in 2025
Modified PBT (Polybutylene Terephthalate) is a high-performance engineering plastic widely used in automotive, electronics, and industrial applications. Its enhanced properties make it a preferred choice for demanding environments. This guide covers everything buyers need to know about sourcing and using Modified PBT effectively.
How to Find Reliable Modified PBT from China in 2025
China remains a leading supplier of Modified PBT, offering competitive pricing and quality. To find reliable suppliers:
- Check certifications like ISO 9001 and RoHS compliance
- Review supplier history and customer feedback
- Request material test reports and samples
- Verify production capacity and lead times
Platforms like Alibaba can help identify reputable manufacturers, but always conduct due diligence.
What Buyers Should Know Before Buying Modified PBT from China
Key considerations include:
- Minimum order quantities (typically 500kg-1 ton)
- Shipping costs and import duties
- Payment terms (30% deposit is common)
- Quality control processes
- Technical support availability
Always clarify specifications like flame retardancy, impact resistance, and thermal stability requirements.
Types of Modified PBT
Common variants include:
- Glass-fiber reinforced (15-30% content)
- Flame-retardant grades (UL94 V-0 compliant)
- Impact-modified versions
- UV-stabilized formulations
- Conductive types for ESD applications
Each type serves specific performance needs in different industries.
Functions and features of Modified PBT
Modified PBT offers:
- High mechanical strength (tensile strength 50-120 MPa)
- Excellent electrical insulation properties
- Good chemical resistance
- Dimensional stability (low moisture absorption)
- Heat resistance up to 150°C
Modifications enhance specific properties for targeted applications.
Scenarios of Modified PBT
Typical applications include:
- Automotive components (connectors, sensors)
- Electrical housings and switches
- Industrial pump parts
- Consumer electronics enclosures
- LED lighting components
Its versatility makes it suitable for demanding technical applications.
How to Choose Modified PBT
Selection factors:
- Identify primary performance requirements
- Consider environmental exposure conditions
- Evaluate regulatory compliance needs
- Compare cost vs. performance trade-offs
- Verify processing compatibility
Consult with material specialists for complex applications.
Modified PBT Q & A
Q: What's the price range for Modified PBT?
A: Typically $2.5-$5/kg depending on type and quantity.
Q: How does Modified PBT compare to standard PBT?
A: Modified versions offer enhanced properties like higher strength, better flame resistance, or improved impact performance.
Q: What's the lead time for orders from China?
A: Usually 4-8 weeks including production and shipping.
Q: Can Modified PBT be recycled?
A: Yes, though properties may degrade after multiple cycles.
Q: What's the shelf life of Modified PBT?
A: Properly stored, it remains usable for 2-3 years.
