Black Large Diameter Flexible 4 Inch Rubber Acid Suction And Discharge Hose

 Used to delivery diluted acid(alkali) solution with the temperature not higher than 45℃ and density below 4o% (except nitric acid)

The layer has good property of anti-erosion by acid and alkali. the hose can be used under the pressure of -80kpa. at the vacuum . 

The hose has the double properties of bearing both the positive and negative pressure. 

The hose can become flat under pressure and can not cast off from its layer and has good bending property.