... it oil-proof, layers of spring-woven material, a This hose consists of a layer of gel inside to keep it ... outside for additional oil-proof and temperature-proof insurance. The hose is suitable for transferring glycol, mineral oils, fuel, lubricants, ... working temperature is between -40 and 100 degrees centigrade. This hose conforms to the DINEN856-4SP standard. Over High-Pressure Spiral Rubber Hose