Products Description
| Size | 12x1.75 |
| Material | Polyurethane |
| Rim Material | Polyamide |
| Color | Grey/Black |
| MOQ | 200-300pcs |
| Lead Time | 30-35days |
| Usage | wheelchair caster wheels,power wheelchair parts,mobility scooter tyres |

PU Solid Tire Introduction

Crafted from microcellular polyurethane elastomer, our solid tyres deliver outstanding elastic recovery after bearing loads. The densely distributed tiny closed pores inside form a unique porous framework, which effectively buffers bumps from uneven ground and absorbs rolling noise during travel to bring smooth, pleasant riding experience. Thanks to its reliable sound-dampening capability, this PU wheel serves as an ideal ultra-quiet wheel solution. It eliminates harsh rumbling on hard floors and rough pavement, perfectly fitting mobility equipment that requires low-noise operation for daily indoor and outdoor travel.
This type of polyurethane wheel boasts a comprehensive set of practical strengths: it requires no air inflation at all, delivers soft shock absorption, cuts rolling noise significantly, and boasts great structural safety. The raw materials meet global environmental standards, demand zero routine servicing, and hold up well against long-term abrasion. These balanced properties make the tyres a versatile match for multiple devices, including manual and electric wheelchairs, elderly mobility scooters, lightweight bikes, baby strollers, electric kick scooters, and industrial transport trolleys for warehouse and workshop use.

Alader's PU 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:
- Rolling Drum Test
- Resilience Test
- Static Load Deformation Test
- Static Recovery Test
- Static Load Recovery Test
- Side impact
- Runout Check
Company Description

Brand Origin & Full Industrial Layout
We kicked off our polyurethane material business back in late 2015 in Xiamen, focusing on custom foam wheel development for mobility aid equipment. After two years of steady trial production, the whole manufacturing workshop relocated to Longyan to expand mass production capacity. We rolled out two independent operation entities in 2020 and 2023 respectively to split wheel production and comprehensive PU material manufacturing. Our research station is settled inside the CAS Haixi Rare Earth Research Institute in Xiamen, functioning as a dedicated lab for polymer material iteration. Apart from mobility PU wheel manufacturing, we run a separate subsidiary focusing on PU/PIR thermal insulation boards for central air ducts, creating a dual-track industrial layout covering rehabilitation accessory supplies and HVAC supporting materials.
Full-Cycle ISO Standardized Quality Supervision Mechanism
The whole factory fully implements ISO9001:2015 management specifications, compiling complete standard operation documents covering every production link, forming a closed-loop whole-process quality supervision chain. Raw material incoming inspection: Polyether, isocyanate and all auxiliary additives will be sampled to test density, hardness and environmental indicators before warehousing; unqualified raw materials will be returned to suppliers directly. On-site production patrol inspection: QC staff carry out hourly spot checks on molding temperature, curing duration and foaming density during mass production to avoid batch parameter deviation. Finished goods sampling test: Static compression, rolling abrasion and anti-aging tests will be carried out before packaging; only fully qualified goods can be delivered to finished product warehouse. After-sales defect disposal: Standardized operation procedures are formulated for customer complaints, returned goods and defective product isolation; all abnormal records are filed to provide data support for subsequent formula optimization. We can provide complete inspection logs, SGS test reports and full qualification certificates on demand, assisting overseas buyers to complete export customs clearance and product filing procedures.


Full Mounting Flow for Wheelchair Wheel Sets
Two core standardized mounting steps cover bearing press-fitting and tyre-rim assembly, all finished via dedicated pneumatic assembly equipment to secure consistent assembly precision. For bearing installation: Mount special bearing press fixtures on the workstation, sequentially position the lower bearing retainer, shaft sleeve and bearings, then activate the air-driven switch to finish tight bearing press-fitting. For PU tyre and rim matching: Swap to tyre press molds, set the wheel rim onto the bottom fixture, fit the cone positioning jig and slide the PU solid tyre in place. Trigger the pneumatic system to press the tyre firmly onto the rim to complete the whole wheel assembly.
Stable Global & Domestic Brand Partners
We have established long-run stable supply partnerships with a wide range of well-known manufacturers that produce mobility aids and related supporting components across global and local markets. Our overseas collaborative brand roster covers Sunrise, Pride Mobility, Golden Technologies, Drive DeVilbiss Healthcare, Kymco, Roma Medical and LG, all leading players in the international rehabilitation equipment sector. Domestic reliable partners include INTCO, MAOTIAN, LINIX, Innuovo, Chiaphua Components, KANGNI and JIANGTE MOTOR. These enterprises maintain repeated bulk orders with us, fully affirming the stable quality and customized matching service of our wheel and tyre products.

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