UHP rubber hoses, that is, Waterblast hoses come with inner and outer layers of synthetic rubber, which is suitable for water. In hydraulic hoses, the rubber is also synthetic, but is not suitable for water – it is designed for hydraulic oil.
Thermoplastic hydraulic hoses usually have an inner layer of polyester, sometimes polyamide. They are reinforced with aramid braids, sometimes with one steel braid. UHP Spir Star thermoplastic hoses have an inner layer of polyoxymethylene or polyamide, which is always reinforced with steel braids.
The maximum working pressure of UHP rubber hoses, that is Waterblast hoses, reaches up to 1450 bar. The maximum working pressure of UHP Spir Star thermoplastic hoses is about 4000 bar. In contrast, the maximum working pressure of hydraulic hoses is 450 bar.