描述
Zytel 70G35HSLR BK416LM PA66 is a 35% glass fiber reinforced, heat stabilized, hydrolysis resistant PA66 resin developed by Celanese for high-performance injection molding applications. The material combines excellent stiffness, mechanical strength, dimensional stability and long-term thermal performance with enhanced resistance to moisture and glycol-based coolants. It also features laser marking and laser welding capability, making it suitable for traceable and precision-assembled engineering components.
Compared with conventional PA66-GF35 materials, Zytel 70G35HSLR BK416LM provides improved durability in demanding automotive cooling systems and electrical applications. The BK416LM black formulation is particularly suitable for electric vehicle cooling modules, coolant connectors, electrical housings, sensor components and other structural parts requiring reliable performance under heat and humidity.
Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel 70G35HSLR BK416LM PA66 resin with quotation support, TDS, SDS and worldwide delivery.
Zytel 70G35HSLR BK416LM PA66 Key Features
- 35% glass fiber reinforced PA66
- Heat stabilized formulation
- Hydrolysis resistant
- Laser markable
- Laser weldable
- High mechanical strength
- Excellent stiffness
- Outstanding dimensional stability
- Excellent coolant resistance
- Suitable for injection molding
Zytel 70G35HSLR BK416LM PA66 Typical Applications
- Electric vehicle cooling systems
- Battery cooling modules
- Coolant connectors
- Pump housings
- Sensor housings
- Automotive electrical connectors
- Electronic housings
- Laser-marked components
- Laser-welded plastic assemblies
- Industrial engineering parts
Advantages
Zytel 70G35HSLR BK416LM PA66 combines high structural performance with excellent hydrolysis resistance, making it suitable for applications exposed to coolant, humidity and elevated temperatures.
The addition of laser marking and laser welding capability enables permanent identification and efficient assembly, making this grade particularly suitable for electric vehicle cooling systems and modern automotive electrical components.
Related Products
- Zytel 70G35HSL BK039B PA66
- Zytel 70G35HSL NC010 PA66
- Zytel 70G35EF BK538 PA66
- Zytel 70G30REF BK314LM PA66
Zytel 70G35HSLR BK416LM PA66 Typical Properties
| Property | Typical Value |
|---|---|
| Material | PA66-GF35 |
| Grade | 70G35HSLR BK416LM |
| Color | Black |
| Glass Fiber Content | 35% |
| Density | 1.42 g/cm³ |
| Melting Temperature | 263°C |
| HDT (1.8 MPa) | 255°C |
| Comparative Tracking Index (CTI) | 400 V |
| Heat Stabilized | Yes |
| Hydrolysis Resistant | Yes |
| Laser Markable | Yes |
| Laser Weldable | Yes |
| Mold Release | Yes |
| Processing Method | Injection Molding |
Typical values are based on the published Celanese grade-specific technical datasheet.
Processing Recommendations
Dry the resin before molding at 80°C for 2–4 hours and maintain processing moisture below 0.20%. The recommended melt temperature is 285–305°C (optimum 295°C), while the recommended mold temperature is 70–120°C (optimum 100°C). Recommended holding pressure is 50–100 MPa.
Zytel 70G35HSLR BK416LM PA66 FAQ
What is Zytel 70G35HSLR BK416LM PA66?
It is a 35% glass fiber reinforced, heat stabilized and hydrolysis resistant PA66 resin designed for automotive, electrical and electronic applications.
What does HSLR mean?
HSLR indicates a Heat Stabilized, Hydrolysis Resistant formulation, providing improved long-term performance in high-temperature and high-humidity environments.
Is BK416LM suitable for laser marking?
Yes. BK416LM supports laser marking for permanent product identification and traceability.
Can this material be laser welded?
Yes. Zytel 70G35HSLR BK416LM is designed to support laser welding, making it suitable for precision automotive and electrical assemblies.
Can Shenzhen Ruiqing International Trade Co., Ltd. supply original material?
Yes. Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel PA66 materials with TDS, SDS, quotation support and worldwide delivery.


