Executive standard：enterprise standard、EN856 4SH
Inner layer：oil resistant synthetic rubber
Reinforcement：four wire- spiral rubber hose
Outer layer：abrasion resistant,ozone resistant,heat resistant and hydrogen compounds
resistant synthetic rubber
Temperature：-40℃/+100℃
                        H: -40℃/+125℃
Provide air：max temperature +70℃
Provide water：max temperature +85℃
Provide medium：oil and water glycol and fluid,lubricant oil,air and water,wielding air
pressure exceeds 1.7Mpa,hose outer rubber need acupunctyre.