12.5 Inch Flat Free Tires Mobility Scooter 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. Flat Free Tire’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.
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