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Help CenterNylon 6 Sleeve for Concrete Sleepers, 20mm OD x 10mm ID, 100mm Length, UV Resistant, -40°C to 120°C
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a trusted manufacturer specializing in high-quality engineering components. With annual export value exceeding US$5 million, we serve customers across North America, Europe, Southeast Asia, and more. Our Nylon 6 Sleeve for Concrete Sleepers (20mm OD x 10mm ID, 100mm Length) is precision-engineered to protect railway concrete sleepers from abrasion, moisture, and UV degradation, ensuring long-term track stability and reduced maintenance costs.
This sleeve is made from premium Nylon 6 material, known for its excellent mechanical strength, fatigue resistance, and dimensional stability. It features a wide operating temperature range from -40°C to 120°C, making it suitable for extreme climates. The UV-resistant formulation prevents embrittlement under prolonged sunlight exposure, while the smooth inner surface ensures easy installation on steel bars or tie rods.
Key Features & Technical Specifications
- Precision Dimensions: 20mm outer diameter, 10mm inner diameter, 100mm length – ensures tight fit and consistent performance.
- Wide Temperature Range: -40°C to 120°C – maintains integrity in freezing winters and hot summers.
- UV Resistant: Special additives prevent degradation from sunlight, extending service life outdoors.
- High Impact & Wear Resistance: Nylon 6 absorbs vibration and resists cracking under heavy railway loads.
- Chemical Resistance: Resists oils, greases, and mild chemicals commonly found in railway environments.
- Easy Installation: Lightweight and flexible enough to slide over bars, yet rigid enough to hold shape.
- Customizable Options: Available in different lengths, colors (black, natural), and tolerances upon request.
| Parameter | Value |
| Material | Nylon 6 (PA6) |
| Outer Diameter | 20mm (±0.5mm) |
| Inner Diameter | 10mm (±0.3mm) |
| Length | 100mm (±1mm) |
| Operating Temperature | -40°C to 120°C |
| UV Resistance | Yes (UV stabilized) |
| Color | Natural / Black (custom) |
| Application | Concrete sleepers, railway track fastening systems |
Why Choose Our Nylon 6 Sleeve?
- Benefits for Railway Operators: Reduces concrete sleeper wear at the bar insertion point, preventing cracks and extending sleeper lifespan by up to 30%.
- Cost-Effective Maintenance: Simple replacement without special tools – lowers labor costs and downtime.
- Reliable Performance: Consistent quality batch-to-batch, backed by over 25 years of manufacturing experience.
- Global Shipping: We ship from Tianjin, Qingdao, Shanghai, and Foshan ports, with fast delivery to major markets worldwide.
Our factory in Hengshui, Hebei, China, has been producing wire mesh and hardware products since 1998. However, our Nylon 6 sleeve line specifically benefits from advanced injection molding capabilities and strict quality control. We use only virgin Nylon 6 resin with UV stabilizers, ensuring no degradation under sunlight. Each sleeve undergoes dimensional inspection before packaging.
We have exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe, building long-term partnerships with railway contractors and infrastructure companies. Our annual export value of US$5–10 million reflects our commitment to quality and reliability.
Ready to improve your railway sleeper durability? Contact us today for a quote or sample. We offer custom lengths, colors, and packaging (bulk or individual poly bags). Our team can also provide technical data sheets and test reports upon request.
Frequently Asked Questions (FAQ)
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Q: Can I get custom dimensions (different OD, ID, or length)?
A: Yes, we can produce sleeves with custom outer diameter, inner diameter, and length. Minimum order quantity may apply. Please provide your specifications. -
Q: Is this sleeve suitable for outdoor use without cracking?
A: Absolutely. Our Nylon 6 material is UV stabilized, preventing degradation from prolonged sun exposure. It also withstands temperatures from -40°C to 120°C, making it ideal for most climates. -
Q: How do I install the sleeve on concrete sleepers?
A: Simply slide the sleeve over the steel tie bar or rod before inserting into the sleeper hole. The smooth inner surface reduces friction. For tight fits, gentle tapping with a rubber mallet is acceptable. -
Q: What is the expected lifespan of this sleeve?
A: Under normal railway conditions, the sleeve can last 10–15 years, depending on traffic load, climate, and maintenance. Regular inspection is recommended. -
Q: Does the sleeve have any certifications?
A: While we do not hold specific railway certifications, our products comply with general industrial standards for Nylon 6 components. We can provide material test reports and dimensional certificates upon request. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 1000 pieces. For custom sizes, MOQ may be higher. We also offer sample orders for evaluation. -
Q: Is the sleeve resistant to oil and grease?
A: Yes, Nylon 6 has good resistance to oils, greases, and many hydrocarbons. However, prolonged exposure to strong acids or bases should be avoided. -
Q: How is the product packaged for export?
A: Standard packaging is in poly bags inside cartons, or in bulk on pallets. We can also customize packaging per your requirements (e.g., branded bags, heat-sealed packs).
Trust Anping County Boli Hardware Wiremesh Products Factory – your reliable partner in railway infrastructure components. Since 1998, we have been delivering quality products to satisfied customers worldwide. Contact us now to discuss your project needs and get a competitive quote.
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