
Are you using the right rubber hose? - Hose and Coupling World
Of all the types examined here, Nitrile Rubber (NBR) has the best oil resistance, making it the ideal choice for a fuel transfer hose. The higher the acrylonitrile content, the better the resistance to oil and fuel. However, this may come at a cost; elasticity and compression resistance are adversely affected, and because of these effects, a compound with medium acrylonitrile …