This kind of water hose is made of the material of EPDM and can be worked in the pressure of 20bar.
Water hose made of EPDM material
Three layer construction:
Inner layer: black and smooth EPDM with electrical conductivity
Reinforcement: textile spiral construction (inner diameter is more than 25mm wrapped)
Outer layer: black and smooth material of EPDM, electrically conductive, resistant to ozone and atmosphere effects
Operating temperature: -40 to 95°C, the max can up to 110°C
Safety factor: 4:1