Neoprene rubber cord is supplied as a continuous extruded cord,which can be used to fabricate custom o-rings where the standard sizes are not suitable.Neoprene rubber is one of the best all-purpose elastomers where resistance to ozone, sunlight, oxidation and many petroleum derivatives are of prime importance. Added advantages include good resistance to water, many chemicals... plus good resilience characteristics and tensile strength properties.Neoprene rubber cord usually can be extruded in all kinds of diameter,from 1mm to 50mm etc in different applications.