Description
Custom UL-Listed PU Wheels for Electrical Equipment
Why Choose This Product
Our custom UL-listed PU wheels are engineered with a steel-reinforced core and a proprietary polyurethane compound that meets stringent UL safety requirements. This gives you the advantage of reduced rolling resistance and quieter operation compared to metal or hard plastic wheels, which is crucial in indoor electrical equipment environments. The benefit is a smoother, safer mobility solution that protects sensitive electronics from vibration and static discharge. Evidence of reliability comes from our internal tests, where wheels withstand over 2000 hours of continuous load cycling without significant wear, as well as our UL listing certification as third-party proof. As a professional manufacturer and supplier in China, we offer full customization from tread hardness (Shore A 70°–95°) to hub material (steel, aluminum, or stainless steel) to precisely match your application.
Technical Specifications
These UL-listed polyurethane wheels are designed for continuous duty in electrical equipment, medical devices, and industrial machinery. As a China OEM/ODM manufacturer, we support customized sizes, hardness, and core materials to match your existing application.
| Standard PU Conveyor Roller – 150 mm Diameter, Steel Core, Shore A 85° (Customizable) | |
| Wheel Diameter | 4″ / 5″ / 6″ / 8″ (custom sizes available) |
|---|---|
| Tread Material | Polyurethane, UL-listed, conductive |
| Hub Material | Steel / Stainless Steel / Aluminum (customizable) |
| Load Capacity | 250–1200 lbs per wheel (depends on size and hardness) |
| Tread Hardness | Shore A 70° / 80° / 90° (custom available) |
| Temperature Range | -29°C to 82°C (-20°F to 180°F) |
| Certifications | UL-listed per UL 94, RoHS compliant |
| Custom Options | OEM/ODM, custom colors, hub bore, axle type, tread marking |
Ideal for medical carts, industrial control cabinets, and heavy electrical enclosures. UL-listed polyurethane compound for conductivity and fire safety. Bulk orders welcome – contact us for wholesale pricing and sample support.
Detail Images – Construction & Application
Material Properties
| Property | Standard PU | Our UL-Listed PU (Premium) |
|---|---|---|
| Abrasion Resistance (NBS Index) | 80–100 | 130–150 (2x longer life) |
| Tensile Strength (psi) | 2500 | 4000 |
| Elongation at Break (%) | 300 | 450 |
| Conductivity (Ohm) | Not rated | 10⁶–10⁸ (meets UL) |
| Oil and Chemical Resistance | Good | Excellent (suitable for industrial solvents) |
| Load Recovery after 1000 Cycles | 85% | 98% (minimal compression set) |
Our exclusive polyurethane formulation provides quantifiable benefits over standard materials: higher load capacity, better chemical resistance, and certified static control. These advantages directly result in reduced equipment downtime and longer replacement intervals for your electrical apparatus. Custom hardness from Shore 70A to 95A is available from our factory.
About Us
About Our Factory
Customer Visits
As a China-based manufacturer and OEM/ODM supplier of industrial polyurethane wheels and rollers since 2010, we serve clients in over 50 countries. We offer customization from roller hardness (Shore A 70°~95°) to hub materials (steel/aluminum/stainless steel) and mounting patterns. Our products are tested to meet ISO9001 and UL standards, supporting reliable performance for your electrical equipment and industrial machinery. Wholesale orders are welcome with competitive direct pricing.
Factory & Equipment
Our Certifications (ISO9001, UL, RoHS, Test Reports)
Production & Inventory Policy
Lead time: Actual delivery time may vary due to raw material availability, machine scheduling, and peak season fluctuations. After order confirmation, we provide the most accurate estimate and keep transparent communication throughout the process.
Stock status: We generally do not hold large finished-goods inventory, but some popular standard models may have limited dynamic stock (which changes as sales and production progress). Please confirm real-time availability with our team before ordering.
Bulk & urgent orders: For mass production or tight schedules, we recommend early discussion of capacity and production planning. We will do our best to support your timeline.
Frequently Asked Questions
1. What makes your PU wheels UL-listed and why is that important for electrical equipment?
Our wheels are tested to meet UL 94 V-0 flammability and conductive requirements (10⁶–10⁸ Ohm), which is crucial for equipment in sensitive electronic environments. This certification provides evidence that our wheels reduce the risk of electrostatic discharge and fire propagation, helping you achieve safety compliance in your end product.
2. Can you provide custom bore sizes and hub designs for OEM projects?
Yes, we offer full OEM/ODM customization. Our engineering team can design hubs with specific bore diameters, keyways, set screws, or flange mounts to match your axle configuration. MOQ for custom designs starts at 200 units, and we can provide samples for testing before mass production.
3. What is the typical lead time for a custom order?
For standard customizations (bore size, color, hardness), lead time is typically 15–20 working days after sample approval. For completely new hub designs, allow 25–30 working days including tooling. Actual lead time may vary based on raw material availability and production schedule; we provide regular updates and align closely with your timeline.
4. How do you control quality on large volume shipments?
We perform 100% dimensional inspection of critical parameters, batch sampling for load testing and conductivity measurement, and full traceability with batch numbers. Our ISO9001 system ensures every process is documented. For high-value orders, we recommend third-party inspection (SGS, TÜV) at our factory before shipment.
5. Do you have stock units available for samples?
We maintain limited stock of popular sizes (4″, 5″, 6″ with standard bore) for quick sample dispatch. Inventory levels fluctuate with production, so please confirm availability before ordering. For custom samples, we produce within 7–10 working days. Contact us for real-time stock and sample pricing.
6. What payment and shipping methods do you support?
We accept T/T, L/C, PayPal (for samples), and Western Union. Shipping is via sea freight (FOB Shanghai or Shenzhen), air express (DHL, FedEx, UPS), or rail, depending on your location and urgency. We can also arrange delivery to your forwarder if you have preferred logistics.
7. How does your exclusive polyurethane formula improve wheel lifespan in electrical equipment applications?
Our compound includes additives that reduce heat buildup under load and improve cut resistance, common failure modes in standard wheels. In comparative tests, our wheels show 40% less tread wear after 10,000 cycles at rated load. This means fewer wheel replacements and lower maintenance costs for your equipment over its lifetime.
Looking for a reliable manufacturing partner for your electrical equipment wheel needs?
Contact us for quick quotes, custom samples, and volume discounts. Our team is ready to support your project from design to delivery with expert advice and competitive pricing.
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