Products Description
Product Introduction
These polyurethane foam injected wheel assemblies are primarily engineered as rear drive wheel replacements for all types of power wheelchairs. Every complete wheel set adopts a dual composite construction, combining a durable outer rubber casing with compact microcellular PU elastomer filled firmly inside the tire cavity. To guarantee stable outer tire quality and consistent wear resistance, we source rubber tyre shells from well-established professional tyre manufacturers, with Cheng Shin and Innova as our core long-term supply brands. This matched material combination balances soft shock absorption and long-term load bearing, delivering steady running performance for daily electric wheelchair travel.
Specification
| Size | 4.10/3.50-6 |
| Rubber Tire Brand | INNOVA |
| Tread | IA2815 |
| Material | Rubber and Polyurethane |
| Filler | Polyurethane |
| Rim Material | Aluminm |
| Color | Grey/Black |
| Lead Time | 60-75days |
| Usage | Wheelchair parts,Mobility scooter parts |
Poly Foam Filled Tire Feature And Its Application
Shortened as FF tires, this foam-infused wheel unit is built from two core components: a full rubber outer casing and dense microcellular polyurethane elastomer packed inside the tire cavity. It boasts standout functional merits including zero air refilling needs, robust puncture resistance, reliable flat-free performance, soft shock absorption and zero routine upkeep, bringing higher safety for daily use. The product fits a broad range of equipment such as power wheelchairs, elderly mobility scooters, baby strollers, service robots, workshop trolleys and fitness sports gear. It retains the classic appearance of standard rubber tires to meet buyers' aesthetic preferences, while fully eliminating hidden troubles of pneumatic tires like punctures, slow air loss, sudden deflation and repeated daily maintenance work.
PU filled Rubber Tires Under the Microscope
When viewed under scanning electron microscopy (SEM), Aleader's PU-infused rubber tires reveal a distinctive interconnected cellular internal structure. The foam pores spread evenly across the entire filling layer with consistent arrangement, and nearly all pore sizes measure between 50 and 100 microns without irregular oversized cavities. This uniform micropore layout lays a solid foundation for the wheel's outstanding comprehensive performance. Benefiting from this optimized inner structure, our PU filled rubber tyres deliver steady elasticity, strong abrasion and piercing resistance, low rolling noise and eco-friendly composition while supporting heavy loads. Such balanced advantages make them ideal matching parts for rehabilitation mobility aids and various special industrial transport equipment.
About company
We build all product series around customized modified PU molding techniques, splitting offerings into five distinct categories tailored for segmented market demands. Micropore solid rubber wheels stand as our star product, contributing 70% of total sales revenue. High-rebound foam semi-finished goods and integrated skin molding components each make up 10% of business volume, whereas PU sponge raw stock and rigid foam inserts for carbon fiber wheelchairs separately take 5% of total turnover. Our wheel items provide steady OEM supporting parts for worldwide mobility chair, elderly scooter and service robot manufacturers. Resilient foam blanks are supplied to global bedding giant Sealy; bespoke molded foam fittings fit medical armrests, rehab cushions and child safety seats, and hard foam fillers suit carbon fiber wheelchairs, fishing gear and model aircraft fittings.
Our factory fully rolls out the ISO 9001:2015 quality management framework, building a full-cycle closed-loop quality supervision mechanism ranging from raw material incoming checks, real-time production tracking, semi-finished random sampling, finished full inspection to post-delivery quality traceability. Comprehensive standardized operation manuals standardize every production and testing procedure on site. Our goods hold various authoritative industry accreditations: mobility aid tires comply with ISO7176 and domestic GB/T18029 criteria, bicycle PU wheels carry TUV safety credentials, and foam supplies for kids satisfy EU GS norms. All eco-performance test reports are issued by independent third-party SGS, fully meeting import compliance standards across Europe, North America and Southeast Asia.
All wheel products are wrapped inside thick five-layer corrugated cartons, and plywood pallets will be matched for large batch shipments to buffer impact and extrusion during long-distance cross-border transit. We also support tailor-made packaging plans such as branded outer carton printing and separate anti-scratch wrapping based on your personalized demands. Small trial sample consignments will be shipped through mainstream international couriers including DHL, UPS and FedEx to realize efficient door-to-door handover. For large-volume bulk orders, multiple transport channels covering ocean freight and air freight are available, allowing you to pick the shipping method that matches your inventory rhythm and cost budget.
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