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Foam Filled Wheels for Robots 4.10/3.50-4

1. Product Introduction of Foam Filled Wheels For Robots Poly Foam Filled Tire, simply called FF Tire, consists of two parts: rubber outer tube, microcellular polyurethane elastomer filled or inserted inside. With the superior performance in the aspects of inflation free, anti- puncture, flat...

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Product Details

1. Product Introduction of Foam Filled Wheels For Robots

Poly Foam Filled Tire, simply called FF Tire, consists of two parts: rubber outer tube, microcellular polyurethane elastomer filled or inserted inside. With the superior performance in the aspects of inflation free, anti- puncture, flat free, good cushioning maintenance free and high security etc., it is widely used in the field of Wheelchairs, Mobility Scooters, Strollers, Robots, Tool carts and Sports Equipment. While satisfying customer’s esthetic-demand for   traditional rubber tires, it also conquers the defects of air-filled tires: the potential risks of easily punctured, gas leakage, flat tire and frequent maintenance.

1 PU Filled Solid Rubber Tires.JPG


2. Product Parameter(Specification)of Robots Wheels

2 Wheels' Structure.jpg

Product Name

Foam Filled   Wheels For Robots 4.10/3.50-4




Robot Wheels

Rubber Tire Brand






Bead Width(mm)


Wheel OD(mm)(B)


Rubber Tire Weight(g)


Wheel Width(mm)(A)


Filler Weight(g)


Hub Width(mm)(E)

Front: 47

Rear: 45

Axle Size(mm)

Front: 12/15

Rear: 19-5*5

3. Mobility Scooter Wheel’s Production Technology: SPIN-Cast Molding

The process of spin-cast molding is used to insert foam fill into tires. This process helps create a dense, firm tread area while keeping the sidewall area flexible. The distribution of the foam fill is even and accurate ensuring excellent shock absorption. This helps provide the user with a smooth ride, every time.

3  PU Filled Solid Rubber Tires (2).jpg


4. Foam Filled Tire’s Features:

A. Resistant to cuts and tears making it extremely durable.

B.  In the same conditions as other materials, polyurethane wears at a slower rate making it more long lasting.

C. This material has higher tensile strength allowing it to carry heavier loads.

D. Since polyurethane is produced chemically, a number of variations are possible. The density and physical characteristics of the material can be modified according to the end use.

4 foam filled tires.jpg


5. Aleader's Foam Filled Tire's Tests

In our factory,we perform the following tests to ensure that all our products operate at good performance during their long service life:

1. Rolling Drum Test

2. Tension/Compression Force Analysis

3. Side Impact

4. Drop Testing

5. Static Load

6. Circle Track

7. Coefficient of Friction

8. Torque

9. Noise Test

10. Bump Test

5  Robot Wheel's Test.JPG


6. Our Company

Xiamen Aleader Tire Wheel Technology Co, Ltd is a professional manufacturer focused on the research and production of high-performance solid tires. Established in 2010, we are located in the beautiful coastal city of Xiamen in Fujian Province, China.

Our company manufactures high-quality PU tires and PU foam-filled solid tires for clients around the world. With a focus on superior performance, high load capacity, and anti-abrasion, anti-puncture durability, our solid tires are widely used in high-end wheelchairs, bicycles, strollers and engineering vehicles around the world.

Our team's more than 15 years of experience in the polyurethane field helps ensure that all our clients receive the most professional service and the most superior quality products available. All of our products have been rigorously tested for safety and quality and have passed all of the requirements necessary to meet the international ISO7176 standard as well as the testing requirements of ROHS 2.0 and REACH. In addition to that, we have passed the rigorous testing required to receive the German GS certification mark for all our tires manufactured for use in childrens products. Our main markets are the United States, Britain, Germany, Canada, and Japan, as we continue to expand to other countries and regions around the world.

PU Tire Factory 

7. FAQ 

Q: Can i mix different products in one container?

A:Yes, any products can be matched.

Q: How does our factory carry out quality control?

A: Our QC always attach great importance to quality control from the very beginning to the end of the production. Each product will be carefully inspected before packed. 

Q: Can you painting our logo?

A: No problem. Any products can be printed in your logo and brand.

Q: What is the sample policy?

A:We charge sample fees and deliver by express via UPS, FEDEX, DHL etc., freight charges are paid by customers.

Q: How long is the sample lead time?

Usually samples are ready to ship within Five to Seven working days.

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