Newton 203-RM is a single-component, fast-setting, Portland cement-based structural mortar, used primarily for the durable repair of concrete. Ideal for roads, runways, bridges, decks, floors and footpaths. Setting in just 10 minutes at 20ºC, Newton 203-RM is ideal for areas that cannot be taken out of service for long periods, or where the concrete is subjected to heavy wear such as roads, runways, bridges, decks, floors and footpaths.