LFT Polyamide 6 High Performance Filled Long Glass Fiber Reinforcement

For reference only

Comparing the Key Properties of PA6 and PA66

Melting Point
- PA6: The melting point of PA6 is approximately 223°C.
- PA66: PA66 boasts a higher melting point of around 255°C, indicating superior heat resistance compared to PA6.

Strength and Stiffness
- PA6: While PA6 offers good tensile strength, it generally falls short compared to PA66 in terms of strength and stiffness.
- PA66: PA66 demonstrates excellent tensile strength and stiffness, making it suitable for applications requiring high mechanical performance and structural integrity.

Moisture Absorption
- PA6: Nylon PA6 tends to absorb more moisture than PA66, which can impact its dimensional stability, particularly in humid environments.
- PA66: PA66 exhibits lower water absorption, contributing to better dimensional stability and performance in environments with high humidity levels.

Chemical Resistance
- Both PA6 and PA66 demonstrate good resistance to various chemicals, including oils, fuels, and solvents. However, PA66 may offer slightly better resistance due to its higher melting point and denser molecular structure.

Cost
- PA6 is generally more cost-effective compared to PA66, making it a preferred choice for applications where cost efficiency is paramount. However, the specific cost difference may vary depending on factors such as market demand and availability.

PA6 and PA66: Choosing the Right Material

Choosing between PA6 and PA66 requires a thorough understanding of the unique properties of these two materials, and whether they are suitable for each product's specific needs.  

While PA6 offers excellent adaptability and cost savings, PA66 offers outstanding heat resistance and mechanical strength.  The final decision depends on factors such as operating conditions, performance requirements, product operating environment, budget constraints, etc.

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If you are not sure which PA material is suitable for you, please tell us your needs and our team will provide you with technical support free of charge.