Round Neoprene cord has a very good resistance to ageing, weather, UV and ozone. Neoprene rubber cord is made of a synthetic elastomer. The Neoprene rubber cords exhibit outstanding heat, ozone, weather, and heat resistance and have excellent electrical insulating properties. The solid round Neoprene cord is often used for applications that are exposed to outdoor or high heat environments. Neoprene rubber cords have weak resistance to fuels, oils and chemicals and are not recommended for use in automotive (orings) or machine applications.