How to check the quality of PU air hose
PU is short of Polyurethane. Polyurethane combines the best properties of both plastic and rubber. It offers abrasion and tear resistance, high tensile and elongation values, and low compression set. Polyurethane is naturally flexible and exhibits virtually unlimited flexural abilities.MaterialThe two basic formulations of urethane, ester and ether, have some important differences. Water attacks ester-based [...]