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As a specialized supplier of high-performance engineering plastics, Shanghai Wenqin Plastics Co., Ltd. is proud to offer our premium DuPont PA66 70G30HSLR compound. This material is engineered specifically for demanding gear applications where exceptional thermal stability, low friction, and long-term reliability are non-negotiable. We understand that gear performance directly impacts the efficiency and lifespan of machinery, which is why we provide this meticulously formulated grade to help our clients in North America, Europe, Asia, and beyond achieve superior product outcomes. Our commitment to quality, backed by certifications like ISO 9001 and ISO/TS 16949, ensures you receive a consistent and reliable material for your most critical components.
This Heat Stabilized & Lubricated grade of PA66 is more than just a standard plastic; it is a solution engineered for performance under stress. The combination of 30% glass fiber reinforcement provides the necessary structural integrity, while the specialized additive package addresses two key challenges in gear operation: heat degradation and friction.
Enhanced Thermal Performance: The heat stabilization system significantly improves the material's resistance to long-term thermal aging. This allows gears made from 70G30HSLR to maintain their mechanical properties and dimensional stability when exposed to elevated temperatures during continuous operation, a common scenario in automotive, industrial, and power transmission applications.
Superior Wear Resistance & Lubricity: Internal lubricants are integrated into the polymer matrix to reduce the coefficient of friction. This results in lower wear rates on gear teeth, reduced operating noise, and less energy loss due to friction. It extends gear life and improves the overall efficiency of the assembly.
Excellent Mechanical Strength: The glass fibers provide high tensile and flexural strength, as well as impressive stiffness. This translates to gears that can handle high loads without significant deformation, ensuring precise motion transfer and minimal backlash.
Dimensional Stability & Creep Resistance: PA66 naturally has good resistance to creep, and the glass reinforcement enhances this further. Gears will maintain their shape and tolerances under load over time, which is critical for maintaining meshing accuracy and preventing failure.
Good Chemical Resistance: Like standard PA66, this grade offers good resistance to many oils, greases, and fuels, making it suitable for applications in harsh environments like automotive engine bays or industrial settings.
The technical specifications of DuPont PA66 70G30HSLR make it a standout choice for gear designers. Below is a summary of key properties:
| Property | Test Method | Typical Value | Unit |
| Tensile Strength | ISO 527 | 185 | MPa |
| Flexural Modulus | ISO 178 | 9500 | MPa |
| Heat Deflection Temp. @ 1.8 MPa | ISO 75-1/-2 | 250 | °C |
| Coefficient of Friction (Dynamic) | - | Low | - |
| Density | ISO 1183 | 1.36 | g/cm³ |
Advantages for Your Business: Choosing this material translates into tangible benefits for your production and end-products. You can expect reduced warranty claims due to longer gear life, improved energy efficiency in the final application, and the ability to design more compact and powerful gear systems. It also offers excellent processability in injection molding, allowing for high-volume production of complex gear geometries with good surface finish.
Trust is paramount in the B2B supply chain. Shanghai Wenqin Plastics, established in 2020 and operating from Shanghai, has built a reputation for reliability, serving a diverse global market from North America to Southeast Asia and Europe. Our operations are structured to ensure quality control at every step. We hold multiple management system certifications, including ISO 9001 for quality management and ISO/TS 16949 (now IATF 16949), which is specifically tailored for the automotive supply chain and underscores our capability to meet stringent industry requirements. This, combined with our strategic location near major ports like Shanghai and Ningbo, enables us to offer efficient and dependable logistics for your supply chain needs. We invite you to experience the difference that a purpose-built, high-quality material like DuPont PA66 70G30HSLR can make for your gear applications. Contact us today to discuss your specific requirements, request samples, or place an order.
Frequently Asked Questions (FAQ)
Q: What is the main difference between standard PA66 30% GF and this HSLR grade?
A: The key difference lies in the additive package. The HSLR (Heat Stabilized & Lubricated) version includes specific stabilizers to resist thermal degradation at high continuous temperatures and internal lubricants to reduce friction and wear, making it far more suitable for dynamic, high-load components like gears.Q: For what maximum continuous operating temperature is this grade recommended?
A: While the Heat Deflection Temperature is high, the heat stabilization allows for long-term continuous use at temperatures significantly higher than standard PA66 GF30, often in the range of 120-150°C, depending on the specific stress and environment. Detailed application-specific guidance is available.Q: Can this material be used for metal replacement in gear applications?
A: Absolutely. This is one of its primary purposes. It offers a favorable strength-to-weight ratio, corrosion resistance, inherent lubrication, and noise reduction compared to metals, often leading to cost savings and performance improvements.Q: Does the lubrication affect the bond strength if the gear is overmolded or assembled with adhesives?
A: Internal lubricants can migrate to the surface and may affect adhesion. For applications requiring bonding, surface treatment (like plasma or chemical etching) is typically recommended, or we can advise on grades with modified lubrication.Q: What are the typical injection molding parameters for this material?
A: Processing is similar to other PA66 GF grades but requires good drying (recommended at 80°C for 4-6 hours). Melt temperatures are typically in the range of 280-300°C. We provide a comprehensive processing guide with each order.Q: Is this material available in colors other than natural?
A: Yes. While natural is standard for optimal property consistency, custom coloring is available upon request. We can match specific color requirements for part identification or aesthetic purposes.Q: What packaging options do you offer, and what are the minimum order quantities (MOQ)?
A: Standard packaging is 25 kg paper bags. We can also provide big bags or other customized packaging solutions. MOQ is typically one pallet, but we encourage you to inquire for specific needs as we aim to be flexible for our clients.Q: Do you provide technical data sheets and material samples for testing?
A: Yes, we readily provide full technical data sheets (TDS) and can arrange for sample quantities to be sent for your in-house testing and mold trials to ensure the material meets your application's needs.
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