描述
Zytel 70G35HSLX BK357 PA66 is a 35% glass fiber reinforced, heat stabilized black polyamide 66 resin designed for injection molding. It provides high mechanical strength, excellent stiffness and good dimensional stability for demanding automotive, electrical and industrial engineering components. The exact grade is identified as PA66-GF35 under ISO 1043.
Compared with unreinforced PA66, Zytel 70G35HSLX BK357 offers substantially improved rigidity, lower molding shrinkage and better resistance to deformation under mechanical load. Its heat-stabilized formulation makes it suitable for components exposed to elevated operating temperatures.
This grade is commonly used in automotive components, furniture parts, domestic appliances, sporting goods, construction products, electrical equipment and other reinforced structural applications.
Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel 70G35HSLX BK357 PA66 resin with quotation support, TDS, SDS and global delivery service.
Key Features
- 35% glass fiber reinforced PA66
- Heat stabilized formulation
- Black BK357 color
- High mechanical strength
- Excellent stiffness
- Good dimensional stability
- Low molding shrinkage
- Good creep resistance
- Good heat resistance
- Suitable for injection molding
Typical Applications
- Automotive structural components
- Engine compartment parts
- Electrical connectors
- Industrial machinery components
- Household appliances
- Sporting goods
- Construction products
- Mechanical brackets
- Reinforced precision parts
Advantages
Zytel 70G35HSLX BK357 PA66 provides a strong balance of stiffness, strength and dimensional control. The 35% glass fiber reinforcement supports structural components that must withstand mechanical loads while maintaining shape and dimensional accuracy.
Its heat-stabilized formulation improves performance in elevated-temperature environments, making it suitable for automotive, electrical and industrial parts requiring long-term reliability.
Related Products
Typical Properties
| Property | Dry | Conditioned |
|---|---|---|
| Material | PA66-GF35 | PA66-GF35 |
| Glass Fiber Content | 35% | 35% |
| Color | Black | Black |
| Density | 1.41 g/cm³ | — |
| Viscosity Number | 140 cm³/g | — |
| Tensile Modulus | 11,000 MPa | 8,000 MPa |
| Tensile Stress at Break | 210 MPa | 140 MPa |
| Tensile Strain at Break | 3% | 5% |
| Flexural Modulus | 9,500 MPa | 7,500 MPa |
| Flexural Strength | 300 MPa | 230 MPa |
| Charpy Impact Strength, 23°C | 80 kJ/m² | 90 kJ/m² |
| Molding Shrinkage, Flow | 0.3% | — |
| Molding Shrinkage, Transverse | 1.1% | — |
| Processing Method | Injection Molding | Injection Molding |
The grade-specific datasheet reports the above ISO values for Zytel 70G35HSLX BK357.
Processing Recommendations
Zytel 70G35HSLX BK357 PA66 should be dried at 80°C for 2–4 hours before injection molding. Optimum processing moisture is approximately 0.1%, with a maximum recommended moisture content of 0.2%.
Recommended melt temperature is 285–305°C, with an optimum near 295°C. Recommended mold temperature is 70–120°C, with an optimum near 100°C. Typical residence time is 3–5 minutes, and recommended holding pressure is 50–100 MPa.
For official Zytel PA product information, please refer to the Celanese Zytel PA official product page .
For grade-specific technical data, please refer to the Zytel 70G35HSLX BK357 technical datasheet .
FAQ
What is Zytel 70G35HSLX BK357 PA66?
It is a 35% glass fiber reinforced, heat stabilized black PA66 resin developed for injection molding applications requiring high strength and dimensional stability.
What does PA66-GF35 mean?
PA66-GF35 means polyamide 66 reinforced with approximately 35% glass fiber.
Is Zytel 70G35HSLX BK357 heat stabilized?
Yes. The grade-specific datasheet identifies it as a heat-stabilized PA66-GF35 material.
What applications are suitable for this grade?
It is suitable for automotive parts, electrical components, industrial machinery, appliances, sporting goods, construction products and reinforced structural parts.
What is the difference between 70G35HSLX and 70G35HSLR?
Both are heat-stabilized 35% glass fiber reinforced PA66 grades, while HSLR specifically identifies hydrolysis-resistant performance. The public datasheet for HSLX confirms heat stabilization but does not describe it as an HSLR hydrolysis-resistant grade.
Can original Zytel 70G35HSLX BK357 PA66 be supplied?
Yes. Shenzhen Ruiqing International Trade Co., Ltd. can supply original Zytel PA66 materials with quotation, TDS, SDS and delivery support.
