Pneumatic tubing is a resilient, flexible and durable manufactured material that can take the place of paint, cotton, rubber, metal or wood in thousands of applications across virtually all fields. Pneumatic tubes also have PU and PE ,most polyurethane is for air.
Holid pu spiral tube with the characteristics of small volume, not occupy a space, lift long distances.And poly tube have good resilience, deformation remains keep in small size range after repeated use.
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