9 Inch Puncture-Proof Airless Solid PU Tire

9-inch Polyurethane Tires

1. PU Solid Tyre's Production Technology: SPIN-Cast Molding And Its Size Range

Rotational casting completes the shaping of the mold and the filling of the foam in one step: centrifugal force makes the foaming material dense and solid in the surface area while keeping the side wall flexible; distributed uniformly and precisely, it absorbs shocks exceptionally well, allowing users to enjoy stability and comfort with every experience.

2.Tuned PU Formula Balancing Rigidity and Elasticity

Crafted from precisely formulated polyurethane, this tire strikes the perfect balance between rigidity and flexibility. The outer surface stands up to continuous friction and scratches on hard indoor flooring. Its internal elastic structure cushions small bumps on uneven ground and reduces vibration transmission. Boasting outstanding anti-aging properties, the material avoids brittleness, cracks and permanent deformation even under long-duration loads and repeated rolling, greatly extending service life.

3.Production Workflow

The process begins with infusion → release agent coating → paint spraying → hub insert placement. We inject PU material for foaming, then allow forming inside the mold. Next comes demoulding and cooling, and the finished wheel undergoes cosmetic finishing at last.

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