Renold Hydro-Service is more cost-effective than stainless steel and lasts up to 30 times longer in a corrosive environment than standard carbon applications that have to deal with water or salt spray. It is ideal for wash-down environments. Hydro-Service chain is also more economical, and stronger, than stainless steel. Each component is mechanically treated prior to assembly to ensure consistent, secure protection. The surface treatment is free of hexavalent chrome, complying with legislation relating to environmental and health & safety considerations Superior corrosion resistance.