Products Description
11-inch Polyurethane Tires
|
Size |
Product Code |
Wheel Tread |
Tyre Weight |
Product Specification |
|
11 |
PP1116A0911B2101 |
A21 |
/ |
270x40 |
Tires crafted from microcellular polyurethane elastomer deliver outstanding elastic recovery performance. The uniform microporous internal structure forms countless tiny buffer units inside the wheel, which efficiently absorbs vibrations generated by uneven ground surfaces and blocks rolling noise transmission at the same time, bringing stable, smooth and comfortable pushing experience for operators. Unlike rigid solid wheels that produce harsh rumble during movement, this microcellular PU material features superior sound suppression capability. It greatly lowers friction and collision noise when rolling on concrete, epoxy floors and tiled ground. For warehouses, sorting workshops and indoor logistics venues with strict noise control requirements, these polyurethane tires are recognized as premium ultra-quiet wheel solutions for various trolleys and transport carts.
This airless tyre adopts one-step integral casting process with a single microcellular polyurethane raw material, zero composite bonding, no outer rubber wrapping, no internal filling glue layer. The whole wheel forms an integrated elastomer after low-temperature constant curing inside the mold, so there is no risk of delamination, peeling or core separation which commonly occurs on two-layer foam-filled tyres. Under electron microscope observation, internal closed cells maintain uniform 50–100μm distribution without hollow gaps or local dense agglomeration. The consistent density from tread to inner ring ensures balanced stress bearing when loaded, and no permanent concave marks will stay even after weeks of static heavy storage on warehouse floors.
Flat Free Tires Material Quality Control
A. PU Material
a. Purchasing: we purchase the chemical raw materials from the world's famous brands such as DOWS,Basf and Air Products.
b. Incoming inspection: for every lot of incoming material,we random check its quality by cup foaming.
B. Rubber tire
a.Rubber tire purchasing: we purchase the famous rubber tire brands: Cheng Shin and INNOVA.
b.Incoming inspection: physical checking including yellowing, damage and
deformation etc.
C. Accessories
a.All of our purchasing accessories (including nylon rims,aluminum rims,steel rims,axle,hub and screws etc.) can meet the standard of ISO7176.
b.Incoming spection: we need to check coating fastness,size and physical appearance; Reliability test includes tensile strength,impact strength and salt spray resistance etc.
Industry-University Co-Creation R&D Mechanism & Independent Lab Hardware
Instead of short-term temporary technical cooperation, we built a permanent joint R&D center together with the Institute of Rare Earths, CAS in 2023, signing long-term material research agreements with Professor Tang's polymer team from Sichuan University. The cooperation mode follows clear division: university teams conduct molecular material theoretical research, while our in-house engineers translate lab theories into usable industrial formulas and conduct thousands of cyclic durability verification tests. All jointly developed formulas are exclusive to our factory and protected by internal technical confidentiality systems. Our independent testing laboratory inside the Xiamen R&D park is equipped with full sets of precision analytical instruments: scanning electron microscope (for micropore observation), Akron abrasion tester, UV aging cabinet, salt spray chamber, universal tensile machine and rolling fatigue test rig. All raw material batch inspection and finished product performance verification are finished in-house without third-party outsourcing, greatly shortening test feedback time.
Flat Free Tire's Size Range
Our solid rubber tires sizes are as follows:
our sizes include 200x50, 2.80/2.50-4, 3.00-4, 4.10/3.50-4, 3.00-8 etc. 4 inch to 16 inch diameter. As for the special size, we can also custom the wheels for u.
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