Otterbein NHL 2 CALCIDUR® NHL 2 is a high performance natural hydraulic lime (NHL) according to EN 459-1. Otterbein NHL 2 is made by burning and deleting a specially selected shell limestone.
Otterbein NHL 2 CALCIDUR® NHL 2 is a historical, cement-free and gypsum-free, naturally hydraulic (NHL) binder, which is obtained from a unique natural limestone marl and contains no other additives. It is particularly suitable for the production of high-quality plaster, grout and masonry mortar in the field of historic preservation and ecological house building. Due to its high limescale content, Otterbein NHL 2 CALCIDUR® NHL 2 ensures suppleness, good water retention and easy processing of the mortar.