O-ring cord Ø4,00 NBR-70

NBR (Nitrile rubber) is the general term for acryl-nitrile butadiene polymer. O-ring cord is primarily used for special dimensions or instead of deliveries of standard O-rings which first have to be ordered and which are therefore not available for immediate delivery. Because they are an inexpensive and simple sealing element, O-ring cords have a very wide area of application in hydraulic and pneumatic systems. Where working conditions and equipment are suitable, they can be used both in static and dynamic applications, but they are not recommended for rotary movements. Because they take up less space and provide two-sided sealing compared with other sealing elements, O-ring cord make designing easier. Obtaining good results from O-ring cord applications depends on suitable measurements, choosing correct materials, and suitable surface quality on metal parts. APPLICATION Used in almost every industry but especially in non-moving machinery and in static sealing applications, e.g. as flange or cover seals. For special dimensions, O-ring cord has a clear advantage as the application can be customised to the solution in question, while being a relatively low-cost solution. However, O-ring cord should be used only for static solutions.