NHL 5
It is a pure high-strength white NATURAL HYDRAULIC LIME from SAINT-ASTIER, produced using selected siliceous limestones.
The limestones are fired in vertical kilns at a temperature of less than 1,250° C and reduced to a powder by extinguishing the calcium oxide alone, without the need for grinding. NHL 5 is totally free of pozzolanic materials, blast furnace slag, fly ash or hydraulic binders of any kind (clinker, cement, etc.), VOC and is compliant with UNI EN 459-1.