描述
Zytel 70G35HSLRA4 BK267 PA66 is a 35% glass fiber reinforced, heat stabilized and hydrolysis resistant PA66 resin designed for injection molding. This grade features excellent flow characteristics, making it suitable for complex and thin-wall molded parts while maintaining high stiffness, strength and dimensional stability.
Compared with conventional PA66-GF35 materials, Zytel 70G35HSLRA4 BK267 provides improved hydrolysis resistance for long-term exposure to moisture, coolant and elevated temperatures. It is widely used in automotive cooling systems, engine compartment components, electrical connectors and industrial engineering parts requiring reliable long-term performance.
Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel 70G35HSLRA4 BK267 PA66 resin with TDS, SDS, quotation support and worldwide delivery.
Zytel 70G35HSLRA4 BK267 PA66 Key Features
- 35% glass fiber reinforced PA66
- Heat stabilized
- Hydrolysis resistant
- Excellent flow characteristics
- High mechanical strength
- Excellent stiffness
- Outstanding dimensional stability
- Good abrasion resistance
- Good chemical resistance
- Excellent electrical properties
- Injection molding grade
Zytel 70G35HSLRA4 BK267 PA66 Typical Applications
- Automotive cooling system components
- Engine compartment parts
- Electrical connectors
- Automotive electrical components
- Industrial machinery
- Household appliances
- Power tools
- Construction products
- Structural engineering components
Advantages
Zytel 70G35HSLRA4 BK267 PA66 combines high stiffness and excellent mechanical strength with outstanding flowability, allowing complex molded parts to be produced without sacrificing structural performance.
Its hydrolysis-resistant formulation provides improved durability in hot water and coolant environments, making it particularly suitable for automotive cooling systems and high-temperature engineering applications.
Related Products
Zytel 70G35HSLRA4 BK267 PA66 Typical Properties
| Property | Typical Value |
|---|---|
| Material | PA66-GF35 |
| Grade | 70G35HSLRA4 BK267 |
| Color | Black |
| Glass Fiber Content | 35% |
| Density | 1.41 g/cm³ |
| Tensile Strength (Dry) | 210 MPa |
| Tensile Strength (Conditioned) | 135 MPa |
| Tensile Modulus (Dry) | 11000 MPa |
| Tensile Modulus (Conditioned) | 8000 MPa |
| Flexural Strength (Dry) | 300 MPa |
| Flexural Strength (Conditioned) | 230 MPa |
| Flexural Modulus (Dry) | 10000 MPa |
| Flexural Modulus (Conditioned) | 7500 MPa |
| Charpy Impact Strength, 23°C | 70 / 100 kJ/m² (Dry / Conditioned) |
| Charpy Notched Impact, 23°C | 13 / 16 kJ/m² |
| Molding Shrinkage (Flow) | 0.4% |
| Molding Shrinkage (Transverse) | 1.1% |
| Viscosity Number | 125 cm³/g |
| Processing Method | Injection Molding |
The above values are taken from the published grade-specific Celanese technical datasheet.
Processing Recommendations
Dry the resin before molding at approximately 80°C for 2–4 hours, keeping moisture content below 0.20%. Recommended melt temperature is 285–305°C, while mold temperatures between 70–120°C provide stable processing and optimum part quality. The excellent-flow formulation is particularly suitable for complex geometries and thin-wall injection molded parts.
Celanese Zytel® PA Official Website
Zytel 70G35HSLRA4 BK267 Technical Information
Zytel 70G35HSLRA4 BK267 PA66 FAQ
What is Zytel 70G35HSLRA4 BK267 PA66?
It is a 35% glass fiber reinforced, heat stabilized and hydrolysis resistant PA66 resin with excellent flow characteristics for injection molding.
What does HSLRA4 mean?
HSLRA4 indicates a heat stabilized, hydrolysis resistant formulation with enhanced flow performance, making it suitable for complex automotive and engineering components.
What are the advantages of this grade?
It combines high stiffness, excellent dimensional stability, hydrolysis resistance and excellent mold flow, making it ideal for demanding structural parts.
What industries commonly use this material?
It is widely used in automotive, electrical, industrial machinery, household appliances, sporting goods and construction applications.
Can Shenzhen Ruiqing International Trade Co., Ltd. supply original material?
Yes. Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel 70G35HSLRA4 BK267 PA66 with TDS, SDS, quotation support and worldwide delivery.


