O Ring Cord is a continuous, extruded solid round rubber cord stock supplied in rolls. Unlike finished closed O-rings, this sealing cord can be cut to any required length and spliced on-site to create non-standard, large-size O-ring seals. Multiple rubber materials are available — including NBR, FKM, EPDM and Silicone — to match different working media and temperature environments. It is an economical solution for static sealing where standard molded O-rings cannot meet size