Abstract: The influence of hot air aging test on the bursting pressure, adhesion strength and wear resistance of fire hose made of polyester filament/polyester filament-polyurethane material was investigated by studying the change law of the fire hose quality before and after hot air aging test. The test results showed that after 168 h hot air aging test the bursting pressure of the fire hose had little change, and the adhesion strength and wear resistance of the fire hose were weaken in varying degrees.

Key words: fire hose, hot air aging, bursting pressure, adhesion strength, wear resistance