IWRc is a wire rope designation, often found on wire rope specifications or in their technical data sheets. It signifies that wire ropes marked with IWRc possess superior strength and durability, making them ideal for use in harsh environments, such as those with high humidity and corrosion. It is a wire rope that has undergone a special reinforcement treatment and resin coating. ... https://www.cptc-china.com/what-does-iwrc-mean-in-wire-rope