描述
Zytel BM74G18HS BK553 PA66 is a Celanese Zytel blow molding grade combining nylon 66 and nylon 6 chemistry with 18% glass fiber reinforcement. The material is specifically designed for extrusion blow molding processes, providing a balance of mechanical performance, toughness and processing stability.
Compared with unreinforced nylon materials, Zytel BM74G18HS BK553 offers improved stiffness, tensile strength and dimensional stability through glass fiber reinforcement. The heat stabilized formulation helps maintain performance during long-term exposure to elevated temperatures.
The PA66/PA6 copolymer structure provides good impact resistance and processing flexibility, making it suitable for automotive and industrial hollow components requiring lightweight design and reliable durability.
Shenzhen Ruiqing International Trade Co., Ltd. supplies original Zytel BM74G18HS BK553 PA66 resin, providing quotation support, TDS, SDS and technical assistance.
Zytel BM74G18HS BK553 PA66 Key Features
- 18% glass fiber reinforced PA66+PA6 resin
- Heat stabilized formulation
- Blow molding grade
- Good stiffness and toughness balance
- Excellent impact resistance
- Good dimensional stability
- Good chemical resistance
- Suitable for hollow molded components
- Long-term thermal durability
Zytel BM74G18HS BK553 PA66 Typical Applications
- Automotive air ducts
- Automotive fluid containers
- Cooling system components
- Hollow structural parts
- Industrial containers
- Protective housings
- Engineering blow molded components
Advantages
Zytel BM74G18HS BK553 provides a combination of reinforcement performance and blow molding processability.
The 18% glass fiber content improves rigidity and dimensional accuracy, while the PA66/PA6 copolymer provides better toughness and impact resistance compared with highly rigid nylon grades.
This makes the material suitable for lightweight engineering components requiring durability and resistance to mechanical stress.
Related Products
Zytel BM74G18HS BK553 PA66 Typical Properties
| Property | Typical Value |
|---|---|
| Material | PA66+PA6-GF18 |
| Grade | BM74G18HS BK553 |
| Color | Black |
| Glass Fiber Content | 18% |
| Density | 1.22 g/cm³ |
| Melt Flow Rate | 1.2 g/10 min (275°C/10kg) |
| Tensile Modulus | 5500 MPa |
| Tensile Stress at Yield | 100 MPa |
| Tensile Strain at Yield | 3% |
| Charpy Impact Strength (23°C) | 65 kJ/m² |
| Charpy Notched Impact Strength (23°C) | 17 kJ/m² |
| Melting Temperature | 260°C |
| HDT (1.8 MPa) | 215°C |
| HDT (0.45 MPa) | 245°C |
| Processing Method | Blow Molding |
Processing Recommendations
Drying Conditions
| Item | Recommended Value |
|---|---|
| Drying Temperature | 80°C |
| Drying Time | 2–4 h |
| Moisture Content | ≤0.20% |
Blow Molding Conditions
| Item | Recommended Value |
|---|---|
| Melt Temperature | 270–285°C |
| Processing Method | Extrusion Blow Molding |
| Mold Temperature | According to mold design |
Proper drying and processing control are important for maintaining surface quality, mechanical performance and dimensional stability.
Celanese Zytel PA Official Website
Zytel BM74G18HS BK553 PA66 FAQ
What is Zytel BM74G18HS BK553 PA66?
Zytel BM74G18HS BK553 is an 18% glass fiber reinforced heat stabilized nylon 66/nylon 6 copolymer resin designed for blow molding applications.
What does GF18 mean?
GF18 means the resin contains approximately 18% glass fiber reinforcement, improving stiffness, strength and dimensional stability.
Is Zytel BM74G18HS BK553 an injection molding grade?
No. This grade is mainly designed for extrusion blow molding processes.
What is the difference between BM74G18HS and BM70G20HSLX?
BM74G18HS is a PA66+PA6 copolymer with 18% glass fiber reinforcement, while BM70G20HSLX is a PA66-based 20% glass fiber reinforced blow molding grade.
Can original Zytel BM74G18HS BK553 be supplied?
Yes. Shenzhen Ruiqing International Trade Co., Ltd. can supply original Zytel materials with TDS, SDS, quotation support and delivery service.
