描述
Zytel 70G25EF BK538LM PA66 is a 25% glass fiber reinforced polyamide 66 resin developed for electrical and electronic injection molding applications. It is heat stabilized and well suited for laser marking, making it useful for components requiring permanent identification, traceability or marking performance.
This grade is identified as PA66-GF25 and offers significantly higher stiffness and strength than unreinforced PA66. Public technical data lists tensile modulus around 8400 MPa, stress at break around 160 MPa, flexural modulus around 7000 MPa, and density around 1.32 g/cm³.
Zytel 70G25EF BK538LM PA66 is especially suitable for electrical connectors, housings, automotive electrical components and reinforced engineering parts where rigidity, dimensional stability, thermal performance and laser marking are required.
Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel 70G25EF BK538LM PA66 resin with quotation support, document assistance and global delivery service.
Zytel 70G25EF BK538LM PA66 Key Features
- 25% glass fiber reinforced PA66
- Heat stabilized formulation
- Laser markable black grade
- Low halide content additives
- High stiffness and strength
- Excellent dimensional stability
- Good heat resistance
- Suitable for injection molding
Zytel 70G25EF BK538LM PA66 Typical Applications
- Electrical connectors
- Electronic housings
- Automotive electrical parts
- Laser-markable components
- Industrial electrical parts
- Reinforced engineering components
- Precision injection molded parts
Advantages
Zytel 70G25EF BK538LM PA66 is designed for applications requiring higher stiffness and laser marking capability. Compared with standard PA66 grades, the 25% glass fiber reinforcement improves mechanical strength and dimensional stability, while the laser-markable formulation supports clear identification on molded parts.
The grade is useful for electrical and electronic applications where traceability, strength and stable molding performance are important.
Related Products
Zytel 70G25EF BK538LM PA66 Typical Properties
| Property | Typical Value |
|---|---|
| Material | PA66-GF25 |
| Grade | 70G25EF BK538LM |
| Color | Black |
| Glass Fiber Content | 25% |
| Density | 1.32 g/cm³ |
| Tensile Modulus | 8400 MPa |
| Stress at Break | 160 MPa |
| Flexural Modulus | 7000 MPa |
| Charpy Notched Impact, 23°C | 8 kJ/m² |
| Molding Shrinkage, Parallel | 0.3% |
| Molding Shrinkage, Normal | 1.1% |
| Processing Method | Injection Molding |
Processing Recommendations
Zytel 70G25EF BK538LM PA66 is recommended for injection molding. PA66 materials should be dried before processing to control moisture and maintain surface quality, dimensional stability and mechanical performance. Processing conditions should be optimized according to part thickness, mold design, glass fiber orientation and laser marking requirements.
Zytel 70G25EF BK538LM PA66 FAQ
What is Zytel 70G25EF BK538LM PA66?
It is a 25% glass fiber reinforced, heat stabilized and laser-markable PA66 resin designed for injection molding.
What does PA66-GF25 mean?
PA66-GF25 means polyamide 66 reinforced with approximately 25% glass fiber.
What is the main advantage of this grade?
It provides high stiffness, excellent strength, dimensional stability and laser marking capability.
Is it suitable for electrical and electronic applications?
Yes. This grade was developed for electrical and electronics applications and is well suited for laser marking.
Can original Zytel 70G25EF BK538LM PA66 be supplied?
Yes. Shenzhen Ruiqing International Trade Co., Ltd. can supply original Zytel PA66 materials with quotation and document support.


