GF reinforced-General grades
Nylon 66 (Polyamide 66, PA66) is a semi-crystalline thermoplastic material known for its high rigidity, strength, and excellent thermal stability. It is widely used in industrial applications requiring high strength, high heat resistance, and good dimensional stability.
Mechanical Properties and Thermal Performance
- Impact Resistance: Nylon 66 offers good impact resistance, with impact strength typically ranging from 7 to 15 kJ/m². Its high strength and toughness allow it to perform well under high-load conditions.
- Heat Resistance: Nylon 66 has a melting point of approximately 260°C, with a heat deflection temperature (HDT) generally between 150°C and 200°C. It exhibits excellent high-temperature performance, making it suitable for applications in elevated temperature environments.
- Low-Temperature Performance: Nylon 66 maintains good mechanical properties at low temperatures but may become more brittle in environments around -40°C. It is generally recommended to choose specially designed low-temperature durable materials or undergo appropriate material modification treatments.
- Chemical Resistance: Nylon 66 exhibits good resistance to oils, fats, alcohols, and most acids and bases. However, it is less resistant to strong acids and certain organic solvents, which can cause material degradation or corrosion.
Thermal Properties and Dimensional Stability
- Moisture Absorption: Nylon 66 has relatively high moisture absorption, with water absorption rates typically ranging from 1.5% to 2.5%. Moisture uptake can lead to dimensional changes, affecting stability in environments with fluctuating humidity. Moisture absorption can be reduced through modification or adding reinforcements to improve dimensional stability.
- Processability: Nylon 66’s melt flow rate (MFR) generally ranges from 10 to 20 g/10 min, making it suitable for various processing methods such as injection molding and extrusion. Processing parameters can be adjusted to optimize material performance for specific manufacturing needs.
- Thermal Deformation Resistance: Reinforced Nylon 66 can achieve a heat deflection temperature exceeding 200°C, making it suitable for applications that require dimensional stability in high-temperature environments.
Material Structure and Performance
- Crystalline Structure: Nylon 66 features a highly crystalline structure, providing the material with high strength and rigidity. Increased crystallinity enhances rigidity and dimensional stability but may affect toughness.
- Modification Treatments: Nylon 66 can be reinforced with glass fibers or other additives to improve strength and heat resistance. Additionally, UV stabilizers can be added to enhance weather resistance for outdoor applications.
Applications
- Wide Applications: Nylon 66 is widely used in automotive parts, industrial machinery, electrical and electronic devices, textiles, and construction materials, particularly in applications requiring high strength, heat resistance, and good dimensional stability.
- Automotive Parts: Due to its excellent mechanical properties and heat resistance, Nylon 66 is commonly used in the manufacture of gears, bearings, connectors, and other high-strength structural components in the automotive industry.
- Industrial Machinery: In industrial machinery, Nylon 66 is often used to produce components with high wear resistance and strength requirements, such as gears, slides, and bushings.
| Series | Description | Download |
|---|---|---|
| NR215G | PA6+15%Glass Fiber | |
| NR220G | PA66+20%Glass Fiber | |
| NR230G | PA66+30%Glass Fiber | |
| NR245G | PA66+45%Glass Fiber | |
| NT215 | PA66+15%Super Tough Reinforced | |
| NT220 | PA66+20%Super Tough Reinforced | |
| NT215G | PA66+15%GF High Impact | |
| NT230G | PA66+30%GF High Impact |