PA66 GF20 Technical Specifications (Estimated)
| Property | Value | Test Standard |
|---|---|---|
| Glass Fiber Content | 20% (±2%) | ISO 1172 |
| Tensile Strength | 130 – 170 MPa | ISO 527 |
| Flexural Modulus | 6,000 – 8,500 MPa | ISO 178 |
| Impact Strength (Notched Izod) | 10 – 14 kJ/m² | ISO 180 |
| Heat Deflection Temperature (HDT) | 245 – 252 °C @ 1.8 MPa | ISO 75 |
| Melting Point | 255 – 265 °C | ISO 3146 |
| Moisture Absorption | ~1.1% (23°C/50% RH) | ISO 62 |
PA66 Series Material Performance Comparison Table:
| Property | PA66 GF15 | PA66 GF20 | PA66 GF30 | PA66 GF40 | PA66 GF50 | PA66 GF60 |
|---|---|---|---|---|---|---|
| Glass Fiber Content | 15% | 20% | 30% | 40% | 50% | 60% |
| Tensile Strength (MPa) | ~120 | ~150 | ~175 | ~190 | ~210 | ~220 |
| Flexural Modulus (MPa) | ~5,500 | ~7,250 | ~8,750 | ~10,500 | ~14,000 | ~16,000 |
| Notched Impact (kJ/m²) | ~13 | ~12 | ~11.5 | ~10 | ~9 | ~7.5 |
| HDT @1.8MPa (°C) | ~240 | ~248 | ~252 | ~255 | ~257 | ~260 |
| Key Profile | Heat resistant & tough, economical | Balance of heat & strength | All-rounder for high-temp environments | High-perf. grade surpassing GF30 | High-modulus for metal replacement | Ultimate heat & stiffness performance |
Key Advantages of PA66 GF20:
High-Temperature Capability with Toughness:
Leverages PA66’s inherent high melting point, providing excellent heat resistance paired with good impact strength
Significant Strength Upgrade:
Delivers substantially higher mechanical properties than PA66 GF15, making it suitable for more demanding structural applications.
Superior Dimensional Stability:
The combination of PA66’s low creep and added glass fibers ensures parts maintain shape under load and heat.
Excellent Chemical Resistance:
Maintains PA66’s strong resistance to oils, fuels, and chemicals, ideal for automotive and industrial environments.
Industry Applications:

PA66GF20 is commonly used in automotive components, interior parts, and other applications that require a good surface finish and fundamental rigidity.
Powering Innovation Across Industries
| Industry | Key Applications |
|---|---|
| Automotive | Engine covers, intake manifolds, structural brackets, sensor housings, connectors. Explore Automotive Applications → |
| Electrical & Electronics | Circuit breakers, switches, connector housings, insulating components. Discover E&E Solutions → |
| Industrial Equipment | Gears, bearings, machine housings, rollers, mechanical components. See Industrial Uses → |

How to Choose the Right PA66 Grade?
For optimal toughness and cost-effectiveness, start with PA66 GF15. It provides a solid upgrade from unreinforced PA66, offering solid strength and good impact resistance for general industrial and automotive components.
For the best all-around, industry-proven performance, choose PA66 GF30. It delivers an excellent balance of high strength, stiffness, and exceptional heat resistance (HDT >250°C), making it the default choice for demanding structural and under-hood applications.
For a measurable performance upgrade where standard grades reach their limit, consider PA66 GF33. This grade offers higher stiffness and thermal margin than GF30, ideal for precision parts requiring guaranteed performance.
For maximum stiffness, strength, and thermal resistance where metal replacement is the goal, look to PA66 GF50 or PA66 GF60. These high-fiber grades deliver near-metallic properties for extreme loads and temperatures, but require careful evaluation of their reduced impact toughness and significant processing challenges.
Why Choose Us?


FAQ Section:
Q: Can I get a sample before placing an order?
A: Yes! We provide free samples for qualified projects.
Q: What’s the lead time for production?
A: Standard grades: 5-7 days; Custom formulations: 2-3 weeks.
Q: Do you provide material certifications?
A: Yes, we provide full material documentation and certifications.









