描述
Zytel 70G25HSLR BK099 PA66 is a 25% glass fiber reinforced, heat stabilized and hydrolysis resistant polyamide 66 resin designed for demanding injection molding applications. It combines excellent mechanical strength, stiffness and dimensional stability with outstanding resistance to long-term exposure to hot water, coolant and humid environments.
Compared with conventional glass fiber reinforced PA66, Zytel 70G25HSLR BK099 incorporates a hydrolysis-resistant stabilization package, making it particularly suitable for automotive cooling systems and components operating under high temperature and high humidity conditions. It is widely used for radiator end tanks, thermostat housings, coolant connectors, pump housings and other under-the-hood applications.
Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel 70G25HSLR BK099 PA66 resin with technical support, TDS/MSDS documentation and worldwide delivery.
Zytel 70G25HSLR BK099 PA66 Key Features
- 25% glass fiber reinforced PA66
- Heat stabilized formulation
- Hydrolysis resistant
- High stiffness and strength
- Excellent dimensional stability
- Excellent coolant resistance
- Low molding shrinkage
- Suitable for demanding automotive applications
Zytel 70G25HSLR BK099 PA66 Typical Applications
- Radiator end tanks
- Thermostat housings
- Coolant pipe connectors
- Water pump components
- Automotive under-the-hood parts
- Electrical connectors
- Industrial engineering components
- Reinforced structural parts
Advantages
Zytel 70G25HSLR BK099 PA66 is designed for applications exposed to hot water, glycol coolant and humid environments. Compared with standard PA66-GF25 grades, it offers significantly improved hydrolysis resistance while maintaining excellent stiffness, mechanical strength and dimensional stability.
Its combination of heat stabilization and hydrolysis resistance makes it an excellent choice for long-life automotive cooling system components.
Related Products
Zytel 70G25HSLR BK099 PA66 Typical Properties
| Property | Typical Value |
|---|---|
| Material | PA66-GF25 |
| Grade | 70G25HSLR BK099 |
| Color | Black |
| Glass Fiber Content | 25% |
| Density | 1.32 g/cm³ |
| Melt Flow Rate (275°C/5kg) | 25 g/10 min |
| Tensile Modulus | 8500 MPa |
| Tensile Strength | 180 MPa |
| Flexural Modulus | 8000 MPa |
| Flexural Strength | 260 MPa |
| Charpy Notched Impact | 10 kJ/m² |
| Melting Temperature | 262°C |
| HDT (1.8 MPa) | 252°C |
| Molding Shrinkage (Flow) | 0.3% |
| Molding Shrinkage (Transverse) | 1.1% |
| Processing Method | Injection Molding |
Typical values are based on the official Celanese technical datasheet.
Processing Recommendations
Dry the resin at 80°C for 2–4 hours before molding and keep the moisture content below 0.2%. Recommended melt temperature is 285–305°C (optimum 295°C) with mold temperatures between 70–120°C (optimum 100°C) for optimum dimensional stability and mechanical performance.
Zytel 70G25HSLR BK099 PA66 FAQ
What is Zytel 70G25HSLR BK099 PA66?
It is a 25% glass fiber reinforced, heat stabilized and hydrolysis resistant PA66 developed for demanding injection molding applications.
What does HSLR mean?
HSLR stands for Heat Stabilized and Hydrolysis Resistant, indicating excellent long-term performance in hot water, coolant and humid environments.
What are the main applications?
Typical applications include radiator end tanks, thermostat housings, coolant connectors, water pump components and automotive under-the-hood parts.
What is the glass fiber content?
The material contains 25% glass fiber reinforcement (PA66-GF25).
Can original Zytel 70G25HSLR BK099 PA66 be supplied?
Yes. Shenzhen Ruiqing International Trade Co., Ltd. supplies original Celanese Zytel PA66 materials with TDS, MSDS, quotation support and worldwide delivery.
