PA: The Ultimate Guide for Buyers in 2025


PA (Polyamide) is a versatile synthetic polymer widely used in industries ranging from automotive to textiles. Known for its durability, heat resistance, and flexibility, PA is a top choice for manufacturers worldwide. This guide explores its types, features, applications, and how to source it reliably from China in 2025.


How to Find Reliable PA from China in 2025


China remains a leading supplier of PA, but finding trustworthy manufacturers requires due diligence. Start by verifying certifications like ISO 9001 and checking customer reviews on platforms like Alibaba. Request samples to test quality before bulk orders. Partner with suppliers who offer transparent pricing and clear communication.


What Buyers Should Know Before Buying PA from China


Before purchasing PA, consider factors like material grade, lead times, and shipping costs. Ensure the supplier complies with international standards (e.g., REACH, RoHS). Negotiate payment terms (e.g., 30% deposit, 70% upon delivery) to mitigate risks. Always sign a detailed contract covering quality guarantees and dispute resolution.


Types of PA


PA 6: Offers excellent abrasion resistance, ideal for textiles and automotive parts.
PA 66: Higher melting point, used in electrical components and industrial gear.
PA 12: Flexible and moisture-resistant, suitable for fuel lines and medical tubing.


Functions and Features of PA


PA excels in mechanical strength, chemical resistance, and thermal stability. Its lightweight nature reduces production costs, while its recyclability aligns with sustainability goals. Additives can enhance UV resistance or flame retardancy for specialized applications.


Scenarios of PA


Automotive: Engine covers, airbags.
Electronics: Circuit board connectors, cable ties.
Textiles: Sportswear, parachute fabrics.
Industrial: Conveyor belts, hydraulic seals.


How to Choose PA


Match the PA type to your project’s requirements. For high-temperature environments, opt for PA 66. For flexibility, choose PA 12. Evaluate cost vs. performance and consult suppliers for tailored solutions.


PA Q & A


Q: Is PA environmentally friendly?
A: Yes, many PA variants are recyclable, and bio-based options are emerging.
Q: What’s the average lead time for PA orders from China?
A: Typically 4–8 weeks, depending on quantity and customization.
Q: How do I test PA quality?
A: Conduct tensile strength, moisture absorption, and thermal resistance tests.
Q: Can PA replace metal parts?
A: In many cases, yes—especially where weight reduction is critical.
Q: What’s the price range for PA?
A: $2–$10 per kg, varying by type and volume.