PU Manual Wheelchair Solid Wheels
1. 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.
2. Polyurethane Tires' 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
Tension/Compression Force Analysis
Side Impact
Drop Testing
Static Load
Circle Track
Coefficient of Friction
Torque
Noise Test
Bump Test
3. Certificates of Our Solid Tires
ISO9001: 2015
ROHS 2.0, REACH, PAHS, EN14372:2004, TUV Rheinland
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