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CALCIDUR® NHL 3,5 is a high performance natural hydraulic lime according to EN 459-1. It is made by burning and deleting a specially selected shell limestone.
CALCIDUR® NHL 3,5 is a historical, cement-free and gypsum-free, naturally hydraulic 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 proportion of limescale, CALCIDUR® NHL 3.5 ensures suppleness, good water retention and easy processing of the mortar.